Question about 1988 Oldsmobile Toronado

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Im working on a 1988 trofeo it ran then the next day i went to start it the starter would turn the motor but its getting no spark i replaced the ignition moodule, also if anyone knows where to put the juumper at so i can get the trouble codes it would help alot!

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This could be a tough one. Were you working on something just before this problem occurred? You need to determine if the problem is with the primary side of the ignition (sensors, module, wiring) or the secondary side (coils, plug wires, plugs.) It sounds like it is most likely the primary side, if you have no spark at any plug. Did you check them all? Do you have spark at the coils? Have you checked the wiring to the cam sensor and the crank sensor? Perhaps one of the wires is broken or has been pulled loose.
You may want to get a hold of a factory shop manual and follow the testing procedures to isolate the source of the problem, because it can be tricky. The diagnostic connector is usually found under the dash just to the right of the parking brake pedal mounting bracket. You may have to remove the kick panel to find it. If the cover is still present, it will have two little electrical terminals inside that will indicate which sockets you need to jump to get the codes. You should be able to press two buttons on the climate control module with the key on and engine off to get the codes to display without even using the diagnostic connector (as long as the cover is in place.) On my 1986 Toronado, it's the "off" and "heat" buttons. Try pressing them at the same time for three seconds. It may be different for a 1988. The dash and radio were redesigned several times.
Does your car have the anti-theft feature? If your ignition key has a little black thingie in the middle of the blade, then it could be a problem with the ignition switch anti-theft circuit wiring. The wires are very small, and can sometimes break off if the car is old enough, which will prevent the ECM from seeing the correct resistance in the circuit and keep the car from starting.

Posted on Nov 16, 2012

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Trofeo? Or toronado? Have you tested the coil and checked the cap for arcing? You also need to take a good look at the two wires below the plate where the module is attached. many times, one or both break. Do you have 12v at the terminal marked Batt on the cap?? Can't remember which terminals to jump but the plug for diagnostics should be just below the edge of the dash under/ along side the steering column.

Posted on May 19, 2011

  • C.E.D.
    C.E.D. Nov 16, 2012

    No Toronado or Trofeo produced since 1986 has a distributor cap. They all use a distributorless ignition system.



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