Question about Cars & Trucks
What fuse blows ? The four wheel drive switch is a input to the GEM - generic electronic control module , low voltage ! There are a few different relays, a shift motor on the transfer case . There could be DTC'S - diagnostic trouble codes stored in the GEM module . You can find free wiring diagrams at http://www.bbbind.com/free_tsb.html Do you know how to do basic automotive electrical testing ? When you turn the switch to engage the 4X4 , the GEM see's that input an then energizes a relay to engage the 4X4 . Knowing which fuse blows would cut down on the guess work !
Posted on Dec 02, 2016
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Posted on Jan 02, 2017
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