Question about 1994 Chevrolet C1500

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Four wheel drive will not engage on 94 1500 where is the fuse for the actuator

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Does you heater fan work? For many years Chevy used the same fuse for the 4 wheel drive actuator as for the heater fan. Which I found rather stupid because, if the actuator shorts out and blows the fuse, now your stuck in a snow bank with no heat.

Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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1990 GMC suburban actuator and fuse location. There is not one on front differential and no place for fuse in fuse block. 4 wheel will not engage. No owners manual


The actuator will not be on the front differential or drive line, it will be on the transfer case, which is mounted behind the transmission. Follow the front drive shaft back from the front differential, and the component at the rear of the driveshaft is the transfer case. That is where four wheel drive is engaged/disengaged.
I'm not familiar with your vehicle, but if you have a separate lever to engage 4wd, there will not be a fuse for the actuator - it is a manual system. If the 4wd is selected electrically, check that all wiring and connectors on the transfer case are in good condition.

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My 1993 GMC sierra 4x4 kepps blowing fuses when I try to engage it


Unplug the front axle actuator. Replace the fuse. Put in four wheel drive. Did the fuse blow? If not replace the front axle actuator.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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Is there an electric or vacuum switch on a 2001 chevy blazer


There are 2 models here the push button will flash if the system is not engaging or disengaging properly . If front drive shaft is turning. That is with car raised and supported . if front drive axles do not turn then the axle actuator is not engaging axle shaft passenger side. Remove actuator and manually engage shifting collar with a screwdriver still does not turn then inner axle is twisted.

Mar 21, 2014 | 2001 Jeep Grand Cherokee

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I have a 1992 K-1500 truck with a 4.3 engine. The four wheel drive will not engage. I have replaced the actuator and the transfer switch already. The front drive shaft will turn but the front end still...


take actuator back out then plug connector back on it but leave it out of axle now turn key on and shift into 4 wheel drive if actuator moves out then problem in in front axle u need to pull right half of axle apart if it doesnt move then it electrial problem to actuator check fuse

Feb 09, 2010 | 1992 Chevrolet K1500

1 Answer

Wont go into four wheel drive lights dont come on


mounted to the tranfer case you will see what looks like a window motor. Round with wires coming out. This is the actuator motor for the four wheel drive. A lot of times if they are not used the brushes will stick in the motor and if they do the four wheel drive will not engage. Sometime you can tap on the motor and it will work. You also will have a fuse for the four wheel drive in your fuse panel. Good luck, hope this helped

Feb 07, 2010 | 1990 Ford F150

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2000 blazer 4 wheel drive problem


It's most likely the "four wheel drive actuator" This is located on the front differential housing. It's cylindrical shaped and has a large hex (about
1-1/4") and two wires coming out of it. Usually they short out and blow the fuse but, I've also seen where they just quit working and sometimes they just get slow to work. The "actuator" has a heating element in it and it warms up, some sort gas, causing it to expand thus engaging the front wheels. In cold weather it may take a minute or so for it to engage, so put in four wheel drive and wait for a bit and see what happens.

Jan 05, 2010 | 2000 Chevrolet Blazer

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Four wheel drive does not engage when button on four wheel drive shifter is depressed. usually a green diagram illuminates on the dash to let you know four wheel drive is engaged. nothing happens now any...


Sounds like a n electrical shift actuator is at fault. It would be located on the transfer ccase. Make sure the fuse isn't blown and the wiring is connected at the case.

Jun 05, 2009 | 1998 Toyota 4Runner

1 Answer

Front axle stuck engaged


w9fro..In1995, and other model years, the actuator used to engage the transfer case into four wheel drive is oil filled with a heating element.
When you select four wheel drive the element heats up, the oil expands and engages the transfer case. Unfortunately if the actuator fails, the truck remains in four wheel drive. GM has an improved actuator so the problem does not repeat.
As always, check the basics, power, grounds and switch at floor select before replacing the actuator.
Also, if the truck is truly stuck in four wheel drive, you can tell by turning the truck in a tight circle. If the front end wants to "bunny hop" it is definitely engaged.
Best of luck, let me know.
Regards,

Feb 10, 2009 | 1995 Chevrolet K1500

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