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(Moderator:
Chryco Psycho
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1970 challenger starts but will not stay running when you let off key
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Topic: 1970 challenger starts but will not stay running when you let off key (Read 1650 times)
Black70RTconvertible
Jr. Member
Posts: 6
1970 challenger starts but will not stay running when you let off key
«
on:
July 15, 2012 - 03:11:06 PM »
INGSTION SWITCH IS GOOD Balast is good bulkhead conection is good runes in but not in run
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Chryco Psycho
Administrator
C-C.com Guru
Posts: 36620
70 Challenger R/T SE 70 tube Chassis Cuda now sold
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #1 on:
July 15, 2012 - 03:15:49 PM »
If you have a spare ballast try it that is the cause 90% of the time .
check the dark blue wire at the ballst for 12.8 V feed if not trace back to the firewall connector or the column connector
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Challenger - You`ll wish You Hadn`t
Black70RTconvertible
Jr. Member
Posts: 6
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #2 on:
July 15, 2012 - 04:11:19 PM »
should it be at 12.8V always, when the key is in run possition or only while the car is running? the car will start and run while the key is in the crank position but once the key moves toward the run position it will die.
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Strawdawg
Resident
Posts: 2209
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #3 on:
July 15, 2012 - 08:08:14 PM »
should be hot when the key is ON
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Steve
www.vortexbuicks-etc.com
Chryco Psycho
Administrator
C-C.com Guru
Posts: 36620
70 Challenger R/T SE 70 tube Chassis Cuda now sold
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #4 on:
July 15, 2012 - 09:36:40 PM »
run position the blue wire should stay hot
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Challenger - You`ll wish You Hadn`t
Black70RTconvertible
Jr. Member
Posts: 6
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #5 on:
July 19, 2012 - 08:34:04 PM »
Traced blue wire, cleaned all terminals(bulkhead, coloum...) an it was working for about a day, then went to use it today and had the same problem. now cleaning it isent seeming to do the job. any other suggestions?
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dodj
Sr. Resident
Posts: 6197
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #6 on:
July 19, 2012 - 10:54:54 PM »
Does the blue wire have 12 vdc on it when in the run position?
From the last post, it seems like connections is your problem.
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Scott
1973 Challenger 440 4 spd
2007.5 3500 6.7 Cummins Diesel, Anarchy tuned.
Good friends don't let friends do stupid things. ........alone.
Black70RTconvertible
Jr. Member
Posts: 6
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #7 on:
August 01, 2012 - 01:43:17 PM »
Think i got it figured out. the bulkhead connection is the issue. Thanks for all the help
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Chryco Psycho
Administrator
C-C.com Guru
Posts: 36620
70 Challenger R/T SE 70 tube Chassis Cuda now sold
Re: 1970 challenger starts but will not stay running when you let off key
«
Reply #8 on:
August 01, 2012 - 09:14:27 PM »
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Challenger - You`ll wish You Hadn`t
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1970 challenger starts but will not stay running when you let off key