88 NA won’t shut off with ignition switch
#1
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Location: Dayton, OH
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88 NA won’t shut off with ignition switch
Need some help. I’ve got an 88 GTU NA, fresh rebuild, haven’t driven it yet, but while getting things put together, a new problem from two days ago. The car will not shut off with the ignition switch. I’ve pulled all the fuses on the interior block looking for back feed, no dice. Pulled the BTN fuse in the engine compartment, no affect. The alternator only has a single wire in, so I couldn’t of revered wires. This wasn’t happening over the last few weeks of running it.
The car will stop if I pull the EGI Comp and or the EGI Inj fuses....logical, kill fuel and kill computer. I’m learning toward the main fuse, but it seems to be stuck, it will not pull out, unless there is specific technique. I don’t want to break it. I guess it could be a bad ignition switch too.
when I turn the key off, other electrical things turn off I.e. radio, heater blower.
I’m at a loss, this project has kicked my butt...long story, but eventually I’d like to be able to drive the car occasionally.
also, yesterday my rpm gauge randomly quit working...haven’t had any issues until after I pulled the EGI fuses.
any help is appreciated, thanks in advance
Steve
The car will stop if I pull the EGI Comp and or the EGI Inj fuses....logical, kill fuel and kill computer. I’m learning toward the main fuse, but it seems to be stuck, it will not pull out, unless there is specific technique. I don’t want to break it. I guess it could be a bad ignition switch too.
when I turn the key off, other electrical things turn off I.e. radio, heater blower.
I’m at a loss, this project has kicked my butt...long story, but eventually I’d like to be able to drive the car occasionally.
also, yesterday my rpm gauge randomly quit working...haven’t had any issues until after I pulled the EGI fuses.
any help is appreciated, thanks in advance
Steve
Last edited by Steven.Hesterman; 06-08-21 at 06:12 AM.
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#6
I have about the same problem. the car start great while cold. then when i want to shut it of everything stop exept injection and ignition. I mean you can hear there is still injection and ignition by the engine still running but the fuel pump is off resulting in a flooded car for the next start.
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#9
Can get to ignition harness just by looking under the dash.
#10
so i checked for the relay but there is nothing next to the coils. the only thing is a connector and the headlight.
as for the switch i dont have the 4pins connector and when the key is on start i have continuity bitween ST and B and IG1 exept for that every other position is fine on the switch
as for the switch i dont have the 4pins connector and when the key is on start i have continuity bitween ST and B and IG1 exept for that every other position is fine on the switch
#11
so i checked for the relay but there is nothing next to the coils. the only thing is a connector and the headlight.
as for the switch i dont have the 4pins connector and when the key is on start i have continuity bitween ST and B and IG1 exept for that every other position is fine on the switch
as for the switch i dont have the 4pins connector and when the key is on start i have continuity bitween ST and B and IG1 exept for that every other position is fine on the switch
Continuity between B and ST would be turning the starter over.
#13
#14
thats not mine but mine look like that. there is only 2 coils behind the headlight where the blue wires are on the right
Last edited by ozoone le deuxieme; 06-20-21 at 07:18 AM.
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#19
ok here i am with my ignition switch good and my main relay good.
I dont know what to do and i still have injection and ignition after taking the key out of the switch.
Injectors are good i got them checked and cleanned 2 time.
Any lead anyone ?
I dont know what to do and i still have injection and ignition after taking the key out of the switch.
Injectors are good i got them checked and cleanned 2 time.
Any lead anyone ?
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