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1991 Chevrolet truck ignition modules last about 4 mos replace them w check ones and GM ones Last the same Replace plugswires help?
Wiki User
∙ 18y ago
Sometimes bad grounds can cause these problems. Electrical surges are hard on electrical components. I would make sure that the grounds between the engine and frame/ firewall are free of rust and paint.Remove them and sand them to bare metal and add a ground strap here. Think about the fact that your motor sits on rubber mounts and is connected by rubber hoses; this is why grounds are SO important.Did you replace the spark plug wires, cap and rotor? If these are bad along with ground problems, this causes high resistance in your secondary system and electricity takes the easy path to ground and that may mean frying your module. Good luck.
Wiki User
∙ 18y ago
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