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Jan 23, 2013 | 05:06 AM

69small block

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Pro

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From: punta gorda florida

hei question

Is there anyway to test the module in HEI distibutor

Jan 23, 2013 | 05:34 AM

TimAT

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From: Gladstone MO

C3 of Year Finalist (appearance mods) 2019

No start? A testlight from the TACH terminal (Tach disconnected) to ground and crank the engine. If the light flashes, the module and pickup coil are good.
GM had a module tester that heated the module and did a diagnostic thing- but it was a go-no go thing IIRC. Maybe parts stores have got them too.

Jan 23, 2013 | 06:27 AM

69small block

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From: punta gorda florida

Quote:

Originally Posted by TimAT

here is what happend I was drivng and all the sudden car quite just like it shut it off pulled over checked some wiring all was good waited about 20min or tried to start and it started drove home no issues ckecked further for wireing issue did too ground found nothing so far car starts

Jan 23, 2013 | 11:36 AM

Shark Racer

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From: San Jose CA

Quote:

Originally Posted by 69small block

That sounds like a failing module to me. Gets hot, dies, cools down, off you go.

Jan 23, 2013 | 11:40 AM

TimAT

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From: Gladstone MO

C3 of Year Finalist (appearance mods) 2019

Quote:

Originally Posted by Shark Racer

That sounds like a failing module to me. Gets hot, dies, cools down, off you go.

That's why the GM tester heated the module. I'd also check the wires from the pickup coil- you're in there, it's easy to do, and might prevent a walk and a tow truck later.