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08-09-2011, 02:27 PM #1
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- Aug 2011
89 Silverado K2500 4 wheel drive wiring diagram
My Dad's truck stopped going into 4 wheel drive recently. Does anyone know where I can get a wiring diagram for the 4 wheel drive? He thinks that he isn't getting power to the actuator.
08-16-2011, 09:49 PM #2
If anyone out there has this diagram, I'm interested in getting it also. Almost anything would be better than the drastically incomplete diagrams that I've always found in the Haynes manuals.
Thanks in advance.csltrains96
Myself, my beautiful wife
3 - boys
3 - minivans
1 - '89 Chevy K2500 Silverado Truck
1 - 27 foot travel trailer
Not enough family time!
08-17-2011, 06:39 AM #3
You don't need a wiring diagram to see if you have power to the actuator. Key on, case in 4wd. Check for voltage at the actuator plug. Use a voltmeter, not a test light.
There is a fuse in the panel labeled 4wd (or something like that), and a switch on the transfer case. That's it.When you hear hoofbeats, look for horses not zebras.
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