tried jump tarting my 89 Cadillac coup deville it started sparks now it wont turn on

Asked by Jan 25, 2016 at 05:37 PM about the 1989 Cadillac DeVille Coupe FWD

Question type: Maintenance & Repair

Car died out at gas station. Got a jump from dude but he placed the cables on
the wrong posts my car threw sparks from battery. Now my car won't start. It
cranks but won't start why...or how do I fix it

2 Answers

72,445

You most likely fried the computer (ECM). There's a pigtail that comes off the positive (+) battery cable that feeds power directly to the ECM. You can check your fuses but the computer is probably done. HTH. -Jim

130

Also check the ignition module. They will go bad doing the battery thing. Also check fuses as the injector fusr couldv jsve blown ,

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