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97 chevy k1500 4x4 help

775 Views 2 Replies 2 Participants Last post by  Dana W
what is the box under the dash for the 4x4 that clicks when u switch 4x4 called? I shut truck off and it was clicking rapidly and killed batt. what would cause this?
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It's called a relay. It has gone bad, and probably was what blew the fuse. Relays switch the power from a low load circuit (off on switch) to a high load circuit, (4x4 actuator system).
1 - 1 of 3 Posts
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