wats up g2ic i was on my way to work and all of sudden my car shut off i pull over amannd then it start up fine ( that was wierd ) so ten minutes later it shut off and had to pull over again to emergency lane had my car towed home i changed the distrubator and nothing and changed the main relay and still nothing i checked the fuel pump and its fine too my question is this i used a multi tester on the harness to check power and the two wires for the the distrubator the blue one is ground and the black one is power i check and no power at all so the distrubator getting no power from the harness so that means no spark i went to change the ecu and it crank up fine and then die and im back again to square one my bad i work a long story (lol) but wanted to know if anybody has an idea or advice also
i changed the cap and rotor wires thanks
any advice from the g2ic community
did you check the ignitor module in the distributor? I had a similar phenotype and that was the cause.
yea i also had another distrubator that i took of my buddy car to test it and it the same no spark but when i put mines on his car also turns on with no problem
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I would check the wires in the harness. Sounds like you have a broken wire or one that is hanging on for dear life. Could be corrosion as well. Think about it. If you know for sure you are getting no spark to the §§§§§ and you swapped the ECU and you get the same problem it sounds like a connection problem. The fact that it works sometimes and doesn’t work makes me think that as well. HAve you tried moving the harness around and trying to start just to see?
Did u test power to the distributor while having someone crank it?
If ur ECU and Distributor is known to be good, then I would also check the wiring.
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well, if you have no power at the distributor, it’s electrical.
what i would do is find a pin out for the pcm and distributor connectors. i believe the pcm supplies the ground. check for continuity between the pcm and the distributor at the appropriate pin(s). if no continuity exists, you’ll have to start checking continuity of the circuit until you’ve narrowed down where in the wiring the problem exists.
you nailed it bro i moved the cables and it turns on and again when i moved it shuts off
[QUOTE=paul06660;2221924]Did u test power to the distributor while having someone crank it?
If ur ECU and Distributor is known to be good, then I would also check the wiring.[/QUOTE]
[QUOTE=welfare;2222011]well, if you have no power at the distributor, it’s electrical.
what i would do is find a pin out for the pcm and distributor connectors. i believe the pcm supplies the ground. check for continuity between the pcm and the distributor at the appropriate pin(s). if no continuity exists, you’ll have to start checking continuity of the circuit until you’ve narrowed down where in the wiring the problem exists.[/QUOTE]
you nailed it bro i moved the cables and it turns on and again when i moved it shuts off
which cables are u talking about that u wiggled?? the distrubutor harness cables orr the cables on the ecu harness
ecu harness bro i found out the the cable so it seems fine jusr rewired it new so thanks
For the most part, wiring should not go bad. However when it is subject to years of movement / vibration and harsh, hot and cold conditions, it can cause wires to break inside the insulation.
For this reason, when I do my next engine sawp, I think I am going to have a new engine harness made.
^^also, poor pin connections. they cause heat, which causes resistance, which causes more heat and so on until you’ve got a melted mess and a malfunctioning part.
resistance goes up, while amperage goes down, so fuse won’t blow
[quote=welfare;2222384]^^also, poor pin connections. They cause heat, which causes resistance, which causes more heat and so on until you’ve got a melted mess and a malfunctioning part.
Resistance goes up, while amperage goes down, so fuse won’t blow[/quote]
isnt it the colder the higher the resistance??? Heat does too??
With a battery, the cold causes resistance. But when you talk about electrical flow, resistance always causes heat, and vise versa
[QUOTE=paul06660;2222369]For the most part, wiring should not go bad. However when it is subject to years of movement / vibration and harsh, hot and cold conditions, it can cause wires to break inside the insulation.
For this reason, when I do my next engine sawp, I think I am going to have a new engine harness made.[/QUOTE]
yea bro so true wouldnt mind doing that on my next swap
[QUOTE=welfare;2222384]^^also, poor pin connections. they cause heat, which causes resistance, which causes more heat and so on until you’ve got a melted mess and a malfunctioning part.
resistance goes up, while amperage goes down, so fuse won’t blow[/QUOTE]
this is so true cause i tested it and was fine no blown fuse but it was a poor connection
i think so might be wrong not to sure
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