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Ford Crown Victoria/Mercury Grand Marquis Electrical/Lighting

130 messages,  Last post on Dec 07, 2009 at 12:56 PM

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What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Lights, Electrical, Sedan

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#53 of 130 electrical problem by kwook Nov 13, 2007 (12:29 pm)
I have a 2000 Grand Marquis, and the dome light started to come on on day. It would light up after my car was parked, and stay on. Eventually it drained a battery, so I tried another, and it drained that one as well. Now I disconnect the negative terminal from the battery everytime I park it. I have been doing this for sometime, while I have tried to look for the problem. Any help would be great. Replies to this message: canddmeyer (Nov 14, 2007 11:45 pm) ronald1 (Nov 21, 2007 9:26 pm)
#54 of 130 Re: electrical problem [kwook] by canddmeyer Nov 14, 2007 (11:45 pm)
Replying to: kwook (Nov 13, 2007 12:29 pm) The short term fix: pull the bulb.
#55 of 130 Wiring Harness by pesully Nov 21, 2007 (4:05 pm)
I am looking for info on the 2006 GM harness. Does it have all the connections for keyless entry etc even if they were not installed? So if you got the module you could plug it in?
#56 of 130 Re: electrical problem [kwook] by ronald1 Nov 21, 2007 (9:26 pm)
Replying to: kwook (Nov 13, 2007 12:29 pm) I have the same problem on my '99 GM. The battery saver feature should shut off the dome light after ten minutes. When I checked the wiring schematic and seen that it goes through a computer module I stopped my diagnostic work and went to Radio Shack for a $3 on/off toggle switch. A ten minute job to lower dome light and wire the switch in. I just left the switch dangle from the dome light. Works fine. I'm sure the dealer could give me a prettier solution for $300.
#58 of 130 Door chimes by 93vicman Nov 27, 2007 (7:35 pm)
1993 Crown Vic. A couple years ago the door chime started sounding whenever the driver's door is open. It doesn't matter if the engine is on or off, the lights are on or off, the key is in the ignition, or if anyone is seated in the driver's seat. The chime almost always sounds when the driver's door is opened. On rare occasions it will not sound for about 30 sec when the door is first opened, but then start with the ding ding ding. I'm going nuts over the ding ding ding and if I could find the chime I would hit it with a hammer. Should I replace the door switch, the chime relay, or what? Thanks. Bob
#59 of 130 No high beam head lights by johnj8 Dec 03, 2007 (2:27 pm)
The high beam head lights on my 95 Mercury Grand Marquis quite working. The low beam and parking lights work fine. Checked the bulbs, both ok. Checked the voltage to the bulb sockets and got 2 volts. Thought it was most likely the multifuction switch, but checks out ok. (Took apart, no broken parts, cleaned and reassembled with electrical grease to keep corrosion down) Per the wiring diagram, I beleive the main light switch provides power to the multifuction switch, which in turn powers the high beam head lights. I get 12 volts going out of the multifuction switch. When I activate the multifuction switch, I hear a clicking under the dash. Is there a relay under there somewhere? Or do I just have to hunt down a bad connection or short? Anyone else ever have this problem? Replies to this message: euphonium (Dec 04, 2007 11:10 am)
#60 of 130 Re: No high beam head lights [johnj8] by euphonium Dec 04, 2007 (11:10 am)
Replying to: johnj8 (Dec 03, 2007 2:27 pm) Do your Hi beams work when flicking the "Flash to Pass" on the Turn Signal switch? If so, then you know there is a connection from that switch to the Hi lites.
#62 of 130 Crown Vic intermittent wiper failure by tosk Dec 23, 2007 (1:17 pm)
I have 1999 Ford Crown Vic. Never had a problem with wipers before this morning. Today, the “intermittent” function stopped working, only works on “full speed” and when I shut it off it does not park, stops wherever it happens to be. When I turn it on (not full speed) there is an audible “click” that comes from the lower center dash. This also happens to be where the windshield wiper control module is located. I was wondering if that “click” points to the control module and not the signal/wiper/washer switch on the steering column as the problem? Though its probably not related, 160 miles ago I had the intake manifold replaced ($1100) because it was leaking all over the place. Thanks in advance for any help

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