4x4 help engages then pops fuse..
lately ive noticed that mud or sand, i engage 4hi and it works for about 8 secs then puff the fuse pops. so i disengage 4x4 put another one and puff again it pops it. sometimes i get lucky and it stays on for about 1 min or so but other than that its quick to pop.. anyone out there have any tips on how to find the problem and solve it?>
btw its a 94 Chevy Blazer Z71 and before this started to happen the 4x4 would work like a beauty. so yall plz share anything that could help me out PLZ!! |
It is very likely that it is the actuator for the front axle. They are kind of in a vunerable spot and can get cracked allowing water in, shorting out the electronics.
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is that the plug that is ( i think) on top of the t-case? because i know a while back i just wrapped it around in black tape....
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The front axle actuator is on the front axle itself. It is located to the passenger side of the differential 'pumpkin'. The original actuator in your truck is an electro-magnet. GM has since revised the design and has a kit that will upgrade it to the stepper motor version which doesn't draw anywhere near the current.
Here's a quote found using "magnet+stepper+motor+actuator" as a search query:
Originally Posted by swartlkk
(Post 219672)
THIS POST covers the stepper motor actuator and the harness which may be required.
GM Fullsize Truck 4x4 Actuator Upgrade - GetDieselPower.com |
wow u know wat ur talking about! lol thanks for the info ima end up doing the upgrade soon it should work and i read through it and it answered all my Q's thanks !!
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