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1993 GMC Sonoma 4.3 Automatic ~ Shifting problems Code 72

1040 Views 4 Replies 2 Participants Last post by  Murphy Clyde
What does the Gear selector switch circuit consist of on the 1993 GMC Sonoma??
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Thanks Ray ~ Could this cause the Automatic transmission from going into drive and overdrive??
Thanks so much, it is working now!! The speedometer was working crazy, but now it is working just fine.
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