Question about 1991 GMC C1500
When put in four high or low transfer case is engaging front drive shaft spins,but front not locking in.( its a 91 gmc 1500 pickup with independent suspension it has the axles like a front wheel drive) well anyway the 4x4 light on the floor don't come on which its does when it engages any ideas??
Theres a vacume dash pot under the battery box. It pulls a cable that engages the front diff. Put the vacume line and you'll have lights and four wheel drive. (it happened to my blazzer)
Posted on Dec 29, 2008
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Posted on Jan 02, 2017
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