2002 Chevrolet S-10 starting

Tiny
OLD GRAMPA JAKE
  • MEMBER
  • 2002 CHEVROLET S-10
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
I was going to tack weld new corner pieces on the cab & a new btm. For the trd door. I screwed the pieces in place & then hooked the ground for the welder to the springs (leaf). I couldn't get a spark so I moved the ground to the door latch; still no spark. I DID NOT DISCONNECT THE BATTERY GROUND, which i've now been told I should have done. Since then the truck has been hard to srart & there are times I have to jump it in order to start. It doesn't take much of a jump but for the last two days that is the only way to get going. Once started it is fine as long as u don't turn it off. Apparently I've fried something but where do I start looking; fuses, alternator, starter?
Sunday, March 2nd, 2014 AT 12:06 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,600 POSTS
Check underhood fuses first as well as starter relay. Check what've pointed out in pic I dont' think you fried the battery mega fuse unless you are bypassing the battery but check that as well.
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Sunday, March 2nd, 2014 AT 2:13 PM
Tiny
OLD GRAMPA JAKE
  • MEMBER
  • 5 POSTS
Checked all the fuses yesterday & put that electric grease on them for easier removal. Will get out book & find out where starter relay is. Hope that's it.
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Monday, March 3rd, 2014 AT 8:50 AM
Tiny
HMAC300
  • MECHANIC
  • 48,600 POSTS
Starterrelay shold be underhood fuse ox
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Monday, March 3rd, 2014 AT 9:38 AM
Tiny
OLD GRAMPA JAKE
  • MEMBER
  • 5 POSTS
Exchanged the "relay". I thought that thing was a fuse when I first opened the box & when I tried to check 4 continuity I came up blank. Put in new one & so far so good; it's starting ok & you can believe I will disconnect bat before I do any welding. Think I will try to ground direct to oiece that's being put on. Thanks loads for your help; when you said relay I was thinking of the big firewall mounted ones (Back in the day type). I'm 71 so I haven't quite caught up to all the new stuff yet but each day is a new adventure!
Thanks again Jake Henry
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Tuesday, March 4th, 2014 AT 7:25 AM

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