1996 Chevy Truck OBD2

1996 CHEVROLET TRUCK
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JMAC55
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  • 2 POSTS
Electrical problem
1996 Chevy Truck V8 Four Wheel Drive Automatic 246xxx miles

What causes my cruise not to work & my OBD2 port to fail together. I checked all the fuses in cab & under hood & none are visibly blown. Have switched same amp fuses to make sure they work. Just bought the truck & neither was working. Checked the fuses then & they started working. Now they have stopped & can't get them to work again. Everything else works.
Feb 8, 2010 at 8:41 AM
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JDL
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welcome, as far as the datalink connector, pin 16 is voltage, pins 4 and 5 are grounds. The voltage for pin 16 comes from aux power fuse 25 amp. Any fuses you check, use a testlite on the fuse circuit, to see if it is hot.

If you fooled around with fuse box and everything started working, maybe an issue with the fuse box?
Feb 8, 2010 at 10:00 AM