Re: M37 Electrical Issue

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Posted by Willy-N [] on Thursday, February 13, 2020 at 11:31:21 :

In Reply to: M37 Electrical Issue posted by Vaughn [] on Wednesday, February 12, 2020 at 18:31:10 :

If I read this right the engine is out and all wires disconnected from it and only the wiring left in the truck is causing it? If you had a short it would burn up the wire fast or at least smoke at the point of the short. Not sure how big of a spark your getting? If you leave it hooked up does it get hot like the wire is stuck on the frame dead short or a spark like a small load is on the wiring. If changed over to 12 volts there may be a Voltage Dropping Device under the dash to look for that is defective and causing and load. Electric fuel pump on the frame, tail lights, brake lights, shorted fuel gauge ect.

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