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How do you check the sensor plugs in the coil pack on a 1990 Chevy Beretta 31L?
Wiki User
∙ 14y ago
If you remove the Ignition Control Module (ICM) with all 3 coil packs attached, you can bring it into most Auto Zones to have them check all of them for free. If any of them are bad (including the ICM itself), they will tell you. Most of those parts are available for purchase in-store, if needed. I highly recommend using AC Delco ignition componects over the Accel ones. Too many Horror stories about the Accels crapping out in GMs. If you're strapped for cash, most junkyards pull good working used coils off their vehicles. The exact same coils were used in almost every GM V6 from 1988 and up (2.8, 3.1, 3.4, 4.3, 3100, 3400, 3500, 4300, etc.). So there should be plenty to choose from. Hell, I even have 3 spare sets sitting in my shed! ;-)
Wiki User
∙ 14y ago
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