J-Herkel's latest activity
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.Since the starter relay and the run/crank relay share the same N5 ground on the bottom of the board and the run/crank N5 seems to have... -
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.So I went back again this morning and did some continuity tests from the top of the board, starter relay terminals, to the bottom of the...
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.Once I get it all back together I'll try a jumper ground wire. Appreciate the compliment.
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you might not think you're a mechanic but this is better trouble shooting than most mechanics can do these days. definitely add a...
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That sure is odd. That circuit board doesnt appear to be a multilayer circuit board. So just the traces on the top there in the pic...
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Nice sleuthing! We've seen corrosion take out the circuits on the bottom of the fuse block in the engine compartment and cause weird...
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.Alright so after some more diagnosis this evening, I had my buddy hook up his $7000 scanner and scanned the entire vehicle. The Theft...
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.I'll check it when I get home. I know what you're talking about. The firewall side is good. Haven't checked the engine side.
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Have you checked all your grounding wires? I had this same issue. It came down to my grounding wire that goes from the firewall to the...
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The Constant on 12v is the feed to the starter motor solenoid. This is part of the controlled part of the relay (Normally open...
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.The fuses that matter, checked for continuity. All good.
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checked every fuse? with a meter....
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J-Herkel replied to the thread 07 LT 5.3L Sudden no start/crank.I took the entire Fuse box out yesterday, took it apart, removed all fuses and relays, removed the inside board and it was all clean. No...
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yep, we're on the same page. I was just more focused on the + side of the circuit, being there are more connections. Then you show up...
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Im not really concerned with the 8v right now since it didnt happen when the key was in crank position. The 12v according to OP was...
