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1993 Ford Probe GT 3dr Probe

1993 Ford Probe
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October 22, 2011, 12:39 pm

AutomotiveForums M

Question: No ignition spark

The battery was put in backwards. The only fuse I can find blown is the 100amp main fuse. The headlights don't work and there is no spark. I changed the dist. and coil. The engine does crank, just no spark. '94 Probe 2.0l.

October 24, 2011, 11:15 pm

Tyler O

Unfortunately you may be in for a great deal of frustration. Reverse polarity battery installation can destroy almost ANY or ALL electrical components in the vehicle.

Start by checking ALL fuses and relays in all boxes. The steering column switch might be fried causing the lamp issue.

Does the check engine lamp come on at all? It should when you power on etc. If not, you have a problem with the ECU or power too it. If it does, the ecu is being powered. You'll need to check it's critical sensors and so on.

Good luck.

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October 25, 2011, 6:21 am

AutomotiveForums M

The check engine lamp does not come on, also the only code I get is 000. As I said the only fuse blown was the 100 amp main. Would the ECU be the computer box in the dash behind the center console?

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November 8, 2011, 9:06 am

Tyler O

It looks to be in the center console.


CAUTION: Electronic modules are sensitive to static electrical charges. if exposed to these charges damage may result.

Disconnect the battery ground cable.
Remove the floor console and instrument panel insulator
Disconnect the engine control sensor wiring connector from the Powertrain Control Module (PCM).
Remove the two PCM screws.
Remove the PCM from the vehicle.


To install, reverse the removal procedure.
Tighten the PCM screws to 3.7 Nm (32 in lb).

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.

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