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Re: Ignition switch? Car only stays running if I hold k
[Re: KGorney]
#345107
06/12/09 05:51 PM
06/12/09 05:51 PM
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Joined: Apr 2003
Posts: 12,234
Looking for a way out of Middl...
IMGTX
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I Live Here
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Posts: 12,234
Looking for a way out of Middl...
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OK that could be the switch or the wiring at the bulkhead connector. 1st check both sides of the ballast resister with a VOM and the key on. Even new ones can be bad. 2nd check the connectors under the dash for voltage with the key on. Does the radio/turnsignals/etc work when in the run position? 3rd If you have voltage at the switch check both sides of the bulkhead connector. Here is a link to wiring diagrams that may help you trace the wires. http://www.mymopar.com/index.php?pid=28
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Re: Ignition switch? Car only stays running if I hold key
[Re: KGorney]
#345111
06/12/09 07:52 PM
06/12/09 07:52 PM
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Joined: Jan 2003
Posts: 5,439
So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,439
So Cal
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EZ to test with either a 12V test lite or voltmeter. Turn the key to the run position and check if there is 12V @ the ballast resistor. If not... Then start checking backward.. Ballast resistor > bulkhead connector >ignition switch. Just my $0.025.. 
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Re: Ignition switch? Car only stays running if I hold key
[Re: Sinitro]
#345112
06/13/09 01:07 PM
06/13/09 01:07 PM
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Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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if you don't have BRAKE AND OIL ( if oil is not a gauge )on cluster at RUN position, then ign switch is bad.
If you never loose those lights, then problem is on bulkhead or blue wire up to ballast ( including ballast itself )
note, is normal those lights dimming while cranking since ballast is retro feeding the cluster on cranking moment, not ign switch
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Ignition switch? Car only stays running if I hold key
[Re: NachoRT74]
#345113
06/13/09 01:45 PM
06/13/09 01:45 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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I can't believe this question got posted as I am having the EXACT same issue with my Challenger right now. I just replaced the ignition switch due to it loosing the dash lights, etc, but it still won't run unless I hold the key just off the start position. The dash lights/clock are working again also. I have already went the ballast resistor route. Thinking by some of the comments here it may be the bulkhead connector. If I find it I'll post out my results so someone else might be able to save some time/money.
Last edited by 1971Chall; 06/13/09 01:46 PM.
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Re: Ignition switch? Car only stays running if I hold key
#345114
06/13/09 04:25 PM
06/13/09 04:25 PM
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Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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Lightning net is not feeded by Ign switch, comes directly from batt/alt wiring. So ANY LIGHT issue will never come from Ign switch
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Ignition switch? Car only stays running if I hold key
[Re: NachoRT74]
#345115
06/13/09 04:31 PM
06/13/09 04:31 PM
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Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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Quote:
if you don't have BRAKE AND OIL ( if oil is not a gauge )on cluster at RUN position, then ign switch is bad.
If you never loose those lights, then problem is on bulkhead or blue wire up to ballast ( including ballast itself )
note, is normal those lights dimming while cranking since ballast is retro feeding the cluster on cranking moment, not ign switch
EDITING!!!
- IF YOU LOOSE THOSE CLUSTER INDICATORS when cranking, PROBLEM IS DEFINITELLY on bulkhead. They should simply dim, but never get lost.
-Being engine is starting, the ballast is good, because power is getting brown wire and then is feeding the blue wire what feeds the Ign Module on engine harness THROUGHT ballast.
- If you loose the cluster indicators on RUN, problem is on Ign switch or some fuse what feeds cluster indicators ( on some models ). Hopwver of course fuse doesn't have something to do with ign itself, just a cluster portection. Of course fuse blown will keep indicators off on any ign position.
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Ignition switch? Car only stays running if I hold k
[Re: KGorney]
#345119
06/14/09 03:05 AM
06/14/09 03:05 AM
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Anonymous
Unregistered
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Anonymous
Unregistered
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That's cool you found it. I'm going to look at mine later today and hopefully it is just a connection. I also have the extra ECU, ballast in the glovebox too, lol.
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Re: Ignition switch? Car only stays running if I hold k
#345120
06/15/09 01:26 AM
06/15/09 01:26 AM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Found my problem. The blue wire from the bulkhead connector to the ballast resistor had no voltage. I pulled the connector and found the terminal slightly burned. This harness came from Evans wiring and they crimped the terminal over the insulation and it wasn't making a good connection. Due to the poor connection it drew more amperage and melted the insulation at the terminal. I pulled the terminal out, cleaned it up, recrimped the wire and soldered the terminal/wire. She fired right up and stayed running.
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Re: Ignition switch? Car only stays running if I hold k
[Re: KGorney]
#345122
06/15/09 08:57 AM
06/15/09 08:57 AM
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Joined: Apr 2003
Posts: 12,234
Looking for a way out of Middl...
IMGTX
I Live Here
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I Live Here
Joined: Apr 2003
Posts: 12,234
Looking for a way out of Middl...
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Quote:
I had tried the ballast resistor, ECU and coil, since I too, always carry an extra.
I ran tests all over with a 12 volt light and it turned out the bulkhead harness connector was slightly loose and corroded on the blades inside. I cleaned the contacts, connected the harness fully and locked it in place, then the car ran fine. Took it out for spin, turned it off and started it a few times and all seems fine.
FYI
If you ever want to replace the terminals NAPA sells them. They are listed as a GM part but are EXACTLY the same as the factory mopar ones.
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