Question about 1997 Mercury Grand Marquis

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Starter/solenoid/ignition bypass? As I was parking my grand marq the ignition went kaput... I turned the key to the off position and removes the key, the car remained in accessory mode even with the key removed. Now I can re insert the key and turn it but it seems to spin freely and doesn't register when I turn to the start, it remains in accessory mode... Since I dont want a dead battery I removed the negative terminal from the battery. Way back when I used to do aftermarket work on cars, but it was interior work. I saw a co worker bypass the ignition by touching the solenoid with a screwdriver. I dont remember if he touched the positive terminalto the ssolenoid or what but the end result was running car without a key. Since my car is in run mode, couldnt I do the same thing to get it running? I want to avoid tow fees as I'm kinda far out and I don't have the toolsto effect repairs where it sits, nor do I have the know-how but Im not an idiot, contrary to popular belief lol. Any help would be greatly appreciated!

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I think what your co-worker is doing by touching the solenoid while the car is on is quite dangerous especially when it is running. I understand the need to avoid putting off the car but you will just have to get your own towing accessories and truck if you keep going on like this.
My advice would be to take your car to the garage and fix the problem once and for all.
Keep me updated!

Posted on Jan 17, 2013

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Posted on Jan 02, 2017

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SOURCE: 1998 Grand Marquis parking lights won't shut off

If your car has no AFTERMARKET electronics such as an alarm system or remote start .... 1998 Marquis Has a headlamp switch that supplies a negative signal to the BCM (body control module) located to the right of the accelerator petal and up a bit towards the heater control area in the dash ... if there are no other offending items it will be either the BCM the switch or wires ... if you have aftermarket devices (that operate the parking lamps) .. I would check those first, just because. Note: the BCM is very expensive,

Posted on May 08, 2009

litoshop
  • 298 Answers

SOURCE: when given power, car starts to crank with key in off position

Hi I'm litoshop if you connected the wires exactly the same way the old solenoid was connected then you have a bad solenoid if the parts are not oem you can get a lot of bad after market parts I prefer original parts to avoid these kind of problems, But if your not sure about the wiring then I need to know how many wires connected to the solenoid what year and engine is your car so I can help you. if this information has been useful please let us know thank you

Posted on Jul 31, 2009

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Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
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