Four wheel drive does not engage or light up

Tiny
TIM NELSON2
  • MEMBER
  • 1988 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 151,000 MILES
The four wheel drive went out when I was pulling a buddy's truck in reverse in four low. The actuator was bad I replace that and it still does not engage are there not a fuse for four wheel under the dash? I also noticed there are other wires going into the differential what are they for?
Thursday, December 15th, 2016 AT 8:40 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See picture there is a solenoid on axle as well as tcase. Picture shows wiring.
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Thursday, December 15th, 2016 AT 9:55 AM

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