Join Date: Jun 2006
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Re: 98 gmc jimmy 4x4 problems?
The S10-blazer are set up a little different then the fullsize trucks. There is only one electric actualtor, and it is on the t-case. Look for it next to teh front driveshaft.
The front axle is cable actuated. A vacum runs from teh t-cae to the thing you replaced under the battery tray. The vacuum pulls the cable, which in turn engages the front axle. Like $250 for that actuator on the t-case.
I would check just about everything else before I replaced that actuator. Make sure the switches are good, vacuum lines are good, etc.