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1997 GMC C1500 Will not start in wet conditions

Tiny
NICKLAKERS
  • MEMBER
  • 1997 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
I can not start the truck in wet conditions. Does this model year have a distributor cap? What do I need to check or replace to correct this problem?
Monday, December 29th, 2008 AT 9:33 AM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
The distributor should be located on top of the engine at the back.

When the problem occurs, you might look inside the dist. Cap, see if there is any moisture? If there is, wipe out the cap, you could spray some wd40 in the cap, let it dry. Try to take the cap off without removing the wires, if you have to remove the plug wires, mark the plug wire and cap tower, some you can get it back in the same place.

You could use dielectric grease on the plug and coil boots, on both ends.

Take the primary connectors loose from the coil and coil driver module, make sure they're dry, plug back in, use rtv sealer around out side of connector.
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Monday, December 29th, 2008 AT 12:12 PM
Tiny
STICKTHELEGEND
  • MEMBER
  • 1 POST
I had the same problem. 2 chevy dealers and $500 later still had the same problem. I bought a can of wire dry from autozone. Then sprayed every visible wire and connector. It has been 2 yrs and has not acted up since
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Friday, January 30th, 2009 AT 9:59 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
I have to agree with JDL123
need to have it tuned up
cap and rotor for sure
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Friday, January 30th, 2009 AT 10:13 PM

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