Won't stay running !#&*~ - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 4 (permalink) Old Mar 20th, 04, 12:30 PM Thread Starter
Join Date: Sep 2003
Location: Illinoyed
Posts: 21

1069 Camaro SC
1974 350 SB, 400 crank, Stroker motor
Carter 650 AFB
Unilite Distributor w/vacuum advance
Promaster Coil p/n 29440
HyFire 1 p/n 29026

Two months ago I started my car like I do once a week, let it warm up for 15 minutes and then revved the motor at 3000 rpm for a couple of minutes. The motor backfired and stopped running. Now the motor will not stay running. It will only run while holding the ignition key in the start position. I sent the HyFire unit to Mallory to test and they sent it back saying it tested good. They suggested checking the voltage at the coil with the ignition switch in the ON position. It had 0 volts in the run position and 8 volts when you try to start it. So I went and bought an ignition switch from D&R Camaro but it still will not start. Checked and rechecked all the wires from Unilite to HyFire to coil, all good. I have a Diehard that is less than a year old and it cranks over fine. The car has been it the garage all winter, so itís not wet in any way. The Distributor, Coil, and HyFire are over 15 years old but the car has not had 500 miles put on it in that time. I should also mention that I never installed the ballast resister and the resistance wire has been replaced with a non-resistance wire. Maybe the Promaster coil is bad? Maybe the Unilite? What should I try next?????
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post #2 of 4 (permalink) Old Mar 20th, 04, 01:47 PM
David Pozzi
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Join Date: Nov 1999
Location: Central California, USA
Posts: 10,074

If you have 0 volts with switch on, then your non-resistance wire has a break in it somewhere. You can bypass it by plugging a wire into the fuse block inside, find the spade terminal marked "IGN" and run that up to your coil.

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post #3 of 4 (permalink) Old Mar 20th, 04, 07:34 PM Thread Starter
Join Date: Sep 2003
Location: Illinoyed
Posts: 21

Thanks, I will try that tomorrow. BTW can't type when mad, should be 1969 OOPS.
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post #4 of 4 (permalink) Old Mar 25th, 04, 03:14 PM Thread Starter
Join Date: Sep 2003
Location: Illinoyed
Posts: 21

That was it! Just ran my positive wire from the choke to the coil and it started right up. Time to find a broken wire. I love this site!!!
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