89 chevy k1500 weak spark. Changed ICM and distributor cap. still weak spark. Pickup coil tests at 850 ohms so I'm pretty sure that is good. Any ideas?

Asked by Jan 30, 2016 at 02:07 PM

Question type: Maintenance & Repair

2 Answers


whats the voltage in and out of coils


Coil may be weak, it can be tested at Auto Zone, and replace the rotor, they get a burn threw to ground. Just look underneath the rotor to see a burnt spot in the center.

Your Answer

Add photo

Related Questions


Search Maintenance & Repair Questions

Maintenance & Repair Experts

#1 Tom Demyan
Tom Demyan
Reputation 163,070
#2 FordNut
Reputation 109,170
#3 dandyoun
Reputation 89,450
View All