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  1. R

    98 diesel starting problem - as posted on GMfullsize

    Its not a bad idea, I did have a similar prob/fix a few years ago until I swapped in these (current) optima batteries, new pos./neg. cables too and it started. maybe these have just given up the ghost...but it still doesn't explain why the signal wire has no voltage - right??? -thanks
  2. R

    98 diesel starting problem - as posted on GMfullsize

    Having Starter Trouble ... I was looking for help on finding a wiring diagram for my '98 Sierra 2500 diesel 4X4. I contacted dealership, no dice they don't even sell one - could buy CDrom B.S. @ $400.00 from publisher, f-that thank you. And online crap is just that. So does anyone happen to...
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