Dorman 70056 Tail Light Circuit Board - Right

Brand Dorman 70056
Position Right
Bulbs Included No
Connector Shape Oval
Connector/Terminal Type Female
Control Functions Tail Light
Installation Hardware Included No
Package Contents Tail Light Circuit Board
Fits Cadillac, Chevrolet, and GMC · 236 vehicles

OE direct replacement. Seamlessly replaces the original circuit board to restore tail light function.

Oval female connector. Matches the connector shape and terminal type for a straightforward install.

Tail light circuit board. Restores electrical function in exterior lighting assemblies.

Cross-references 1P1635, 182-12A and 16511566 for the same application. See all 3.

$43.36Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $43.36
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Tail Light Circuit Board Replacement

Restore rear lighting function with this Dorman tail light circuit board, Part Number 70056. It replaces a failure-prone original board on select Chevrolet, GMC, and Cadillac applications when the tail light stops working because the circuit board has burned out.

  • Direct replacement tail light circuit board for the right side
  • Female oval connector shape for the specified applications
  • Controls tail light function
  • Built for select Chevrolet C/K trucks, Tahoe, Suburban, Blazer, GMC C/K trucks, Yukon, and Cadillac Escalade models
  • Cross-reference: 1P1635, 182-12A

Detailed Product Overview

Dorman 70056 is a tail light circuit board replacement for select 1988-2000 Chevrolet, GMC, and Cadillac vehicles. It is used to restore tail lamp operation when the original board fails from heat or electrical wear. This part is a practical OE-style repair for vehicles such as the Chevrolet C1500, K1500, Tahoe, GMC Yukon, and Cadillac Escalade, with fitment covering right-side applications only.

Compatible With 1990-2000 Chevrolet C2500, right; 1995-2000 Chevrolet Tahoe, right; 1992-2000 GMC Yukon, right; and 1999-2000 Cadillac Escalade, right. Additional coverage includes Chevrolet and GMC C/K trucks, Suburban models, and Blazer applications listed in the fitment data. Part number 70056 is also referenced by 16511566 for the same application.

What It Helps Fix

  • Tail light inoperative due to a failed circuit board
  • Intermittent rear lamp operation caused by heat damage
  • Electrical contact issues at the tail lamp assembly
  • Loss of tail light function on the right rear lamp
  • Need for an OE-style circuit board replacement on select GM trucks and SUVs

Installation Notes and Tips

Verify the connector shape, terminal type, and vehicle-side fitment before installation. This board uses a female oval connector and does not include bulbs or installation hardware. On 1988-1989 Chevrolet and GMC applications, bulbs must be changed to 3057 and 3156 as noted in the fitment data. Confirm the right-side application before ordering and compare the original board to Part Number 70056 for connector and layout match.

Quality Assurance

Dorman supplies replacement electrical components for vehicle repair applications, and this circuit board is engineered to replace the original failure-prone design on the listed vehicles. Use the fitment data to confirm exact year, make, model, and position before installation.

This part fits 236 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2000CadillacEscaladeRightIncludes One Side Only; Package Quantity: 1
2000ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
2000ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
2000ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
2000ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
2000ChevroletTahoeRightIncludes One Side Only; Package Quantity: 1
2000GMCC2500RightIncludes One Side Only; Package Quantity: 1
2000GMCC3500RightIncludes One Side Only; Package Quantity: 1
2000GMCK2500RightIncludes One Side Only; Package Quantity: 1
2000GMCK3500RightIncludes One Side Only; Package Quantity: 1
2000GMCYukonRightIncludes One Side Only; Package Quantity: 1
1999CadillacEscaladeRightIncludes One Side Only; Package Quantity: 1
1999ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1999ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1999ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1999ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1999ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1999ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1999ChevroletTahoeRightIncludes One Side Only; Package Quantity: 1
1999GMCC1500RightIncludes One Side Only; Package Quantity: 1
1999GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999GMCC2500RightIncludes One Side Only; Package Quantity: 1
1999GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999GMCC3500RightIncludes One Side Only; Package Quantity: 1
1999GMCK1500RightIncludes One Side Only; Package Quantity: 1
1999GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999GMCK2500RightIncludes One Side Only; Package Quantity: 1
1999GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1999GMCK3500RightIncludes One Side Only; Package Quantity: 1
1999GMCYukonRightIncludes One Side Only; Package Quantity: 1
1998ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1998ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1998ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1998ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1998ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1998ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1998ChevroletTahoeRightIncludes One Side Only; Package Quantity: 1
1998GMCC1500RightIncludes One Side Only; Package Quantity: 1
1998GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998GMCC2500RightIncludes One Side Only; Package Quantity: 1
1998GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998GMCC3500RightIncludes One Side Only; Package Quantity: 1
1998GMCK1500RightIncludes One Side Only; Package Quantity: 1
1998GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998GMCK2500RightIncludes One Side Only; Package Quantity: 1
1998GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1998GMCK3500RightIncludes One Side Only; Package Quantity: 1
1998GMCYukonRightIncludes One Side Only; Package Quantity: 1
1997ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1997ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1997ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1997ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1997ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1997ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1997ChevroletTahoeRightIncludes One Side Only; Package Quantity: 1
1997GMCC1500RightIncludes One Side Only; Package Quantity: 1
1997GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997GMCC2500RightIncludes One Side Only; Package Quantity: 1
1997GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997GMCC3500RightIncludes One Side Only; Package Quantity: 1
1997GMCK1500RightIncludes One Side Only; Package Quantity: 1
1997GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997GMCK2500RightIncludes One Side Only; Package Quantity: 1
1997GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1997GMCK3500RightIncludes One Side Only; Package Quantity: 1
1997GMCYukonRightIncludes One Side Only; Package Quantity: 1
1996ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1996ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1996ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1996ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1996ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1996ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1996ChevroletTahoeRightIncludes One Side Only; Package Quantity: 1
1996GMCC1500RightIncludes One Side Only; Package Quantity: 1
1996GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996GMCC2500RightIncludes One Side Only; Package Quantity: 1
1996GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996GMCC3500RightIncludes One Side Only; Package Quantity: 1
1996GMCK1500RightIncludes One Side Only; Package Quantity: 1
1996GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996GMCK2500RightIncludes One Side Only; Package Quantity: 1
1996GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1996GMCK3500RightIncludes One Side Only; Package Quantity: 1
1996GMCYukonRightIncludes One Side Only; Package Quantity: 1
1995ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1995ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1995ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1995ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1995ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1995ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1995ChevroletTahoeRightIncludes One Side Only; Package Quantity: 1
1995GMCC1500RightIncludes One Side Only; Package Quantity: 1
1995GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995GMCC2500RightIncludes One Side Only; Package Quantity: 1
1995GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995GMCC3500RightIncludes One Side Only; Package Quantity: 1
1995GMCK1500RightIncludes One Side Only; Package Quantity: 1
1995GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995GMCK2500RightIncludes One Side Only; Package Quantity: 1
1995GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1995GMCK3500RightIncludes One Side Only; Package Quantity: 1
1995GMCYukonRightIncludes One Side Only; Package Quantity: 1
1994ChevroletBlazerRightIncludes One Side Only; Package Quantity: 1
1994ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1994ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1994ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1994ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1994ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1994ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1994GMCC1500RightIncludes One Side Only; Package Quantity: 1
1994GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994GMCC2500RightIncludes One Side Only; Package Quantity: 1
1994GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994GMCC3500RightIncludes One Side Only; Package Quantity: 1
1994GMCK1500RightIncludes One Side Only; Package Quantity: 1
1994GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994GMCK2500RightIncludes One Side Only; Package Quantity: 1
1994GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1994GMCK3500RightIncludes One Side Only; Package Quantity: 1
1994GMCYukonRightIncludes One Side Only; Package Quantity: 1
1993ChevroletBlazerRightIncludes One Side Only; Package Quantity: 1
1993ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1993ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1993ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1993ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1993ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1993ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1993GMCC1500RightIncludes One Side Only; Package Quantity: 1
1993GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993GMCC2500RightIncludes One Side Only; Package Quantity: 1
1993GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993GMCC3500RightIncludes One Side Only; Package Quantity: 1
1993GMCK1500RightIncludes One Side Only; Package Quantity: 1
1993GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993GMCK2500RightIncludes One Side Only; Package Quantity: 1
1993GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1993GMCK3500RightIncludes One Side Only; Package Quantity: 1
1993GMCYukonRightIncludes One Side Only; Package Quantity: 1
1992ChevroletBlazerRightIncludes One Side Only; Package Quantity: 1
1992ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1992ChevroletC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1992ChevroletC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1992ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1992ChevroletK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1992ChevroletK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1992GMCC1500RightIncludes One Side Only; Package Quantity: 1
1992GMCC1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992GMCC2500RightIncludes One Side Only; Package Quantity: 1
1992GMCC2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992GMCC3500RightIncludes One Side Only; Package Quantity: 1
1992GMCK1500RightIncludes One Side Only; Package Quantity: 1
1992GMCK1500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992GMCK2500RightIncludes One Side Only; Package Quantity: 1
1992GMCK2500 SuburbanRightIncludes One Side Only; Package Quantity: 1
1992GMCK3500RightIncludes One Side Only; Package Quantity: 1
1992GMCYukonRightIncludes One Side Only; Package Quantity: 1
1991ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1991ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1991ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1991ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1991ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1991ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1991GMCC1500RightIncludes One Side Only; Package Quantity: 1
1991GMCC2500RightIncludes One Side Only; Package Quantity: 1
1991GMCC3500RightIncludes One Side Only; Package Quantity: 1
1991GMCK1500RightIncludes One Side Only; Package Quantity: 1
1991GMCK2500RightIncludes One Side Only; Package Quantity: 1
1991GMCK3500RightIncludes One Side Only; Package Quantity: 1
1990ChevroletC1500RightIncludes One Side Only; Package Quantity: 1
1990ChevroletC2500RightIncludes One Side Only; Package Quantity: 1
1990ChevroletC3500RightIncludes One Side Only; Package Quantity: 1
1990ChevroletK1500RightIncludes One Side Only; Package Quantity: 1
1990ChevroletK2500RightIncludes One Side Only; Package Quantity: 1
1990ChevroletK3500RightIncludes One Side Only; Package Quantity: 1
1990GMCC1500RightIncludes One Side Only; Package Quantity: 1
1990GMCC2500RightIncludes One Side Only; Package Quantity: 1
1990GMCC3500RightIncludes One Side Only; Package Quantity: 1
1990GMCK1500RightIncludes One Side Only; Package Quantity: 1
1990GMCK2500RightIncludes One Side Only; Package Quantity: 1
1990GMCK3500RightIncludes One Side Only; Package Quantity: 1
1989ChevroletC1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989ChevroletC2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989ChevroletC3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989ChevroletK1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989ChevroletK2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989ChevroletK3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989GMCC1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989GMCC2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989GMCC3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989GMCK1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989GMCK2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1989GMCK3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988ChevroletC1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988ChevroletC2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988ChevroletC3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988ChevroletK1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988ChevroletK2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988ChevroletK3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988GMCC1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988GMCC2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988GMCC3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988GMCK1500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988GMCK2500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
1988GMCK3500RightIncludes One Side Only; Must Change Bulbs to 3057 and 3156; Package Quantity: 1
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1P1635182-12A16511566