HomeElectrical, Lighting and Body > Electrical SocketsMotormite 85870 Tail Light Socket - Front or Rear
Part #: 85870

Motormite 85870 Tail Light Socket - Front or Rear

N/A
⚙️ 67 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$26.99Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Granada, LTD, Cougar, Grand Marquis, Monarch, Mustang II, Capri, Galaxie 500, and Mustang
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Tail Light Socket for Ford and Mercury Vehicles

The Motormite 85870 tail light socket is designed to provide a secure and durable electrical connection for your vehicle's rear lighting system. Compatible with select Ford and Mercury models, this tail light socket ensures proper functionality and safety for your vehicle's tail lights.

  • Compatible with Ford Capri, Cougar, Grand Marquis, LTD, Monarch, and Mustang models
  • Part number 85870 for precise identification
  • Three-wire configuration for reliable electrical connectivity
  • Female (hembra) plastic terminals for secure fit
  • Overall length of 10 inches with wire, 2 inches without wire
  • Includes one tail light socket per package

Product Details and Specifications

The Motormite tail light socket (part number 85870) features a three-wire design that supports the electrical requirements of your vehicle's tail light assembly. The female plastic terminals (hembra) provide a stable connection point, reducing the risk of loose or faulty wiring. With a total length of 10 inches including the wire, this socket offers sufficient cable length for straightforward installation and connection within the vehicle's lighting system. This part is specifically engineered for use in Ford and Mercury vehicles such as the Capri, Cougar, Grand Marquis, LTD, Monarch, and Mustang, ensuring compatibility and reliable performance.

Common Applications and Problem Resolution

  • Replaces damaged or corroded tail light sockets in Ford and Mercury models
  • Restores proper electrical connection to tail lights for improved safety
  • Solves intermittent tail light failures caused by faulty socket terminals
  • Addresses wiring issues related to loose or broken socket connections
  • Supports restoration of original lighting function after collision repairs

Installation Notes and Tips

When installing the Motormite 85870 tail light socket, ensure the vehicle's electrical system is powered off to avoid shorts or shocks. Verify the three-wire configuration matches your vehicle's wiring harness. The female plastic terminals should be securely connected to the corresponding male terminals on the vehicle. The 10-inch wire length provides flexibility for routing and connection, but avoid excessive bending or tension on the wires. Properly secure the socket to prevent movement that could lead to wear or disconnection over time.

Quality Assurance and Warranty Information

Motormite manufactures this tail light socket to meet industry standards for electrical components in automotive applications. The use of durable plastic terminals and quality wiring materials supports long-term reliability. While specific warranty details are not provided, Motormite products typically adhere to manufacturer quality controls to ensure fitment and function for the listed Ford and Mercury models.

This part fits 67 vehicles. Search below:

YearMakeModelBody TypePositionNotes
1980FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1980FordLTDN/A
1980MercuryCougarN/A
1980MercuryGrand MarquisRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1980MercuryMonarchRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1980MercuryMonarchN/A
1979FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1979FordLTDN/A
1979MercuryGrand MarquisRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1979MercuryMonarchRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1979MercuryMonarchN/A
1978FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1978FordLTDHardtopN/A
1978FordLTDN/A
1978MercuryGrand MarquisRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1978MercuryMonarchRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1978MercuryMonarchN/A
1977FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1977FordLTDHardtopN/A
1977FordLTDN/A
1977MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1977MercuryCapriN/A
1977MercuryGrand MarquisRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1977MercuryMonarchRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1977MercuryMonarchN/A
1976FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1976FordLTDHardtopN/A
1976FordLTDN/A
1976MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1976MercuryCapriN/A
1976MercuryGrand MarquisRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1976MercuryMonarchRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1976MercuryMonarchN/A
1975FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1975FordLTDHardtopN/A
1975FordLTDN/A
1975MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1975MercuryCapriN/A
1975MercuryGrand MarquisRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1975MercuryMonarchRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1975MercuryMonarchN/A
1974FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1974FordLTDHardtopN/A
1974FordLTDN/A
1974MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1974MercuryCapriN/A
1973FordLTDRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973FordLTDSedanN/A
1973FordLTDN/A
1973FordMustangFrontEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973FordMustangN/A
1973MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1973MercuryCapriN/A
1972FordMustangFrontEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1972FordMustangN/A
1972MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1972MercuryCapriN/A
1971FordMustangFrontEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1971FordMustangN/A
1971MercuryCapriRearEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1971MercuryCapriN/A
1970FordMustangFrontEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1970FordMustangN/A
1969FordMustangFrontEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1969FordMustangN/A
1968FordMustangFrontEnsure compatibility by comparing terminals to original socket for a 3-wire female Parking Light Bulb Socket.
1968FordMustangN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5451D3AZ13410GS510

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.