K1500 Thermal Actuator Wiring Diagram
The old thermal is a 2 wire and the new is the 5 wire.
K1500 thermal actuator wiring diagram. Dorman 600 101 with harness dorman 645 902. This spring i swapped out the front differential with one out of a 1992 blazer. Wiring diagram for harness on updated 4x4 actuator for 88 to 92 k1500. The electric version came out in 98 or so and engages immediately.
Joshua w january 8 2020. It installed perfectly except for one small problem the actuator connections didn t line up. The 4wd actuator on my 1990 z71 is not engaging my diff when i drove the truck in it was in 4wd and it was working. The old thermal design used to wear out quickly and was replaced with a new electric one you need the actuator and an additional harness.
I just replaced the one on my 1994 a few weeks ago. Put one in my 95 z71 that had a thermal actuator. 1995 chevy k1500 4x4 thermal to motorized actuator upgrade tips n tricks. Click here for the posi lok.
Myself if i had that series of truck i d install a posi lok and be done with it. Easy upgrade from the crap thermal actuator to an all electric one. Can you send me a link to wiring splice instructions and diagrams. It was pretty close to the transfer case motor.
On 1988 93 models with a gvw rating over 8500 the new actuator cannot be installed and the thermal actuator will remain the service part. I believe it is called the transfer case switch connector in wire diagram i installed on 96 chevy p u. I have a 1997 k1500 that i am replacing upgrading the actuator and harness but it did not come with a wiring diagram and instructions of where to splice. Gmc k1500 truck front axle shift actuator with wire harness.
1995 chevy k1500 4x4 thermal. Doorman 600 600 and 600 101 are needed for this. I have a 1998 k1500 1 2 ton pickup with pust button 4wd and an electric actuator 4 prong. 1990 chevy four wheel drive diagnosis thermal actuator.
I was able to install the newer actuator and assumed all was well. Every chevy k1500 silverado owner should. Doorman 600 600 and 600 101 are needed for this. Chevy 4wd actuator wiring diagram.
Wiring diagram for harness on. It only took me about 1 1 2 hours and most of that was spent routing the harness up and over the transmission. Wiring diagram for harness on updated 4x4 actuator for 88 to 92 k1500 answered by a verified chevy mechanic. This wiring diagram was a big help.