New MSD, No Spark - Help? - Team Camaro Tech
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post #1 of 7 (permalink) Old Apr 19th, 01, 04:37 AM Thread Starter
 
Join Date: Apr 2001
Location: East Central, MO
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Angry

Recently installed new 6al box, blaster coil, and pro billet distributor. Box tests good, power at coil and box, no spark. Any common mistakes I may have made? Any suggestions?
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post #2 of 7 (permalink) Old Apr 19th, 01, 05:50 AM
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Remove billet dist, find point dist and see if runs. Be sure to follow instruction sheet to the letter for a points dist.

The box has a few parallel inputs for spark triggering, maybe the one used by the billet dist is broke, where as another route is okay.

You may have installed backwards the tach diode along with its isolation transformer if you're running a tach.

i'm sure you've gone over the instruction sheet carefully to make sure it's hooked up correctly.

Everett 68/350/PG/11.90/115mph
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post #3 of 7 (permalink) Old Apr 19th, 01, 02:36 PM
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There's not that many wires involved. Positive/Negative from power supply. Positive and negative to the coil and then a plug in to the distributor. Double check that everything is correct. I'm not sure about the tach wiring (if you hooked it up, just unplug it) Check coil for both primary and secondary resistance. Make sure you have positive to positive/neg. to neg. It should run either way, but bad for the coil. Could be bad coil. Power might get to it but not through. Make sure rev limiter is plugged in or try another one. I'm not sure if it will run without one. If you are sure everything is hooked up right check the distrbutor pick-up. Call MSD and ask them how to test it with an Ohm meter to make sure its sending a signal back to the box. If its sending a signal to the box, then maybe you got a bad box. You said the box was good, how do you know??? I assumed that there was no spark coming from the coil. Stranger things have happened.

[This message has been edited by TheGreen68 (edited 04-19-2001).]
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post #4 of 7 (permalink) Old Apr 20th, 01, 02:40 AM
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Are you using the white wire of the 2 prong plug for your distributor? You cannot use both.

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post #5 of 7 (permalink) Old Apr 20th, 01, 04:58 AM Thread Starter
 
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Thanks for the help guys. Called MSD and they had me jump the trigger wires from the box and listen for a beep. They claim this indicates a good box. I'll try your suggestions tonight. Thanks again!
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post #6 of 7 (permalink) Old Apr 20th, 01, 08:25 AM
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After yu check for the beep ang all , once you get it running (or before) you might want to get the replacement (plastic) Cap hold down screws. the older ones that came with the metal cap screws have been known to arc causing misfires.

-
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post #7 of 7 (permalink) Old Apr 20th, 01, 04:40 PM Thread Starter
 
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Unplugged tach, works fine. Thanks!
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