Standard Ignition RY-1625 Transfer Case Relay

Standard Ignition RY-1625 Transfer Case Relay

Standard Ignition RY-1625 is a 12-volt transfer case relay built for vehicles that need reliable electrical switching in demanding under-hood conditions. It is a direct-fit style replacement for select Chevrolet K1500, Chevrolet K3500, and GMC K3500 applications from 1996 through 2000.

Key Features

• 12-volt transfer case relay for drivetrain control circuits
• Female connector with 5 blade terminals and male terminals
• Composite housing helps protect the relay from heat and harsh engine-bay exposure
• Aluminum contacts support electrical durability and long service life
• Epoxy-sealed construction helps resist dust, heat, and moisture intrusion
• Manufactured in a TS16949 and ISO9001 certified facility

Detailed Description

The Standard Ignition RY-1625 transfer case relay is engineered for dependable switching performance in 4WD control systems. Its composite housing and epoxy-sealed design help it stand up to severe under-hood temperatures, while aluminum contacts are used to support consistent conductivity and long-term durability. This relay is a practical replacement choice for owners servicing a Chevrolet K1500, Chevrolet K3500, or GMC K3500 transfer case electrical circuit.

This part cross-references Gates 20872 for the same application. Standard Ignition RY-1625 also cross-references OE-style numbers used in transfer case relay service, including 12182086.

What It Is Used For

• Restoring transfer case relay operation when 4WD engagement becomes inconsistent
• Addressing intermittent electrical switching in the transfer case control circuit
• Replacing a relay affected by heat, moisture, or dust exposure
• Correcting no-response conditions tied to relay contact wear or internal failure
• Supporting proper transfer case command signals in select Chevrolet and GMC trucks

Installation Notes and Tips

Verify connector style, terminal count, and voltage before installation. This relay uses a female connector, male blade terminals, and a 12-volt electrical specification. Confirm the vehicle application against the listed fitment for 1996 Chevrolet K1500, 1998-1999 Chevrolet K1500, 1996 Chevrolet K3500, 1998-2000 Chevrolet K3500, 1996 GMC K3500, and 1998-2000 GMC K3500. No mounting bracket is included.

Quality Assurance

Standard Ignition manufactures this relay in a TS16949 and ISO9001 certified facility, with materials selected to support durability in harsh operating environments. The housing, contacts, and sealed construction are specified to help maintain reliable transfer case relay performance over time.