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1996 Chevy Truck OBD2

Tiny
JMAC55
  • MEMBER
  • 1996 CHEVROLET TRUCK
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.
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Monday, February 8th, 2010 AT 8:41 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
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?
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Monday, February 8th, 2010 AT 10:00 AM

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