1994 Chevy Silverado 4WD fuse keeps blowing

Tiny
1994CHEVY
  • 1994 CHEVROLET SILVERADO

1994 Chevy Silverado V8 Four Wheel Drive Automatic 156000 miles

When I attempt to engage 4x4 the fuse blows and wont allow it to lock it. What would cause that and how can I fix it?

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Wednesday, February 20th, 2008 AT 5:23 PM

6 Replies

Tiny
MASTERTECHTIM
  • MEMBER

The front differential actuator shorts out on these trucks. Try unplugging the 2 wire plug that goes to the front diff actuator and see if the fuse still blows, if it does not then you know the actuator is no good.

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Wednesday, February 20th, 2008 AT 5:24 PM
Tiny
1994CHEVY
  • MEMBER

The actuator is located on the front axle right?

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Wednesday, February 20th, 2008 AT 5:38 PM
Tiny
MASTERTECHTIM
  • MEMBER

Yes its located on the front axle. It has 2 wires coming out of it. The actuator screws into the front diff, it has a huge 1 1/16 spot for a wrench or you can unscrew it with a big pair of channel locks.

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Wednesday, February 20th, 2008 AT 5:48 PM
Tiny
1994CHEVY
  • MEMBER

OK I know what you are talking about. Thanks alot for the help, I will give it a shot. By any chance would you know what a new one would cost if I had to replace it?

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Wednesday, February 20th, 2008 AT 6:03 PM
Tiny
MASTERTECHTIM
  • MEMBER

They have since updated the part because of so many problems. The new kit comes with a wiring harness that has to be installed and I think it cost about $150-175 for parts. If you look around you might be able to find the exact one you have that will unscrew and plug right in for about $100

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Wednesday, February 20th, 2008 AT 6:06 PM
Tiny
SRG200159
  • MEMBER

Thanks you that fixed my 1994 chevy silverado!

2Carpros is the best!

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Tuesday, October 30th, 2012 AT 7:35 PM

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