how to find where a direct short is coming from?

Asked by GuruPLQ9 May 05, 2017 at 06:17 AM about the 1998 GMC Sierra 1500 K1500 SL 4WD Extended Cab LB

Question type: General

eng. throw a rode throw oil pan.when i g0t truck had been taken apart, new motor bought, i put in. starter great, Cranks but no spark ? notice when unplug neg. cable from battier using test light lights up? WHY? help

2 Answers
188,365

Paul answered 6 years ago

this should help, see below....

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188,365

Paul answered 6 years ago

https://www.youtube.com/watch?v=9wLrTjeb9TY

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