Need help with ignition module!
 

I have a '91 K1500 5.7L and the ignition module keeps burning up. I fried 3 in one week. The mechanic can't find the problem, got any ideas?
Thanks.

RE: Need help with ignition module!
 

Delco modules?..if not,thats probably it...and be sure to use the grease for it

RE: Need help with ignition module!
 

IsDelco OEM? If so, that's what they are. One fried on the original distributor and two on a new OEM distributor. Would going to a performance distributor (Accel, etc.)and module help?
Thanks

RE: Need help with ignition module!
 

You say "fried"...It loses spark or what?...sounds like something else may be amuck here

RE: Need help with ignition module!
 

I say fried because being electrical I assume they are burning up. They just quit working. When I replace them the truck starts right up and runs fine for about 20 miles.

RE: Need help with ignition module!
 

so it dies after maybe 20 miles...do you know what it loses?..spark?..fuel?..injector pulse?...I'm thinking something like an ignition coil may be cooling off and coming back to life on ya

RE: Need help with ignition module!
 

I guessI need to do some more checking, I didn't even consider the coil.
Thanks