K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
This relay incorporates a 5 second delay for the front axle to engage in order to allow the transfer case synchronizer to energize.
For 88-93 vehicles, if the axle has to be replaced, use jumper harness P/N 15313272. CKT 1695 (BLK/WHT) fits into cavity A of the fast
actuator. The circuit includes the cable seal and the terminal pin. This circuit plugs into the 5-pin axle actuator connector.
11.
Do the following steps in order to install jumper harness P/N 15313272:
a.
Locate the axle actuator 5-pin connector on the service actuator wiring harness and remove the TPA.
b.
Remove and discard the cavity plug from cavity A.
c.
Install CKT 1695 lead (BLK/WHT) from the jumper harness that has the cable seal and terminal into axle actuator connector cavity A.
d.
Reinstall the TPA on the 5-pin connector.
e.
Install the service actuator harness 5-pin connector into the axle actuator.
f.
Connect jumper harness 2x2 connector into the existing vehicle 4WD mating connector.
g.
Strap the jumper harness and the service harness to the tab on the axle tube.
