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Old 11-24-2017, 07:19 PM   #1
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b454rat's Avatar
Join Date: May 2004
Location: Binghamton, NY
Posts: 2,931
Stupid electronic 4wd

I got a 98 Tahoe with the Autotrac 4wd. At first nothing worked, but I thought the buttons lit up. Then they didn't, all the time being in 2wd. I got 2 TCCM's from the junkyard, plugged them in and nothing. So checked the fuses again. I missed one, and it was blown. So now the lights are on, no service 4wd light, but it's now stuck in 4wd. I'm guessing it's the motor in the t-case, but does the front actuator go thru the t-case or just wiring? Where do I need to look now?
1998 Tahoe SAS'd HP60 van 14ff and some fat 36s
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