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Midnight
12-12-2008, 04:55 PM
need to find out where the car speed signal is.... theirs a wire you must crimp on for the gps to factor speed and distance traveled.

help!!!!!
ChiTownMaraud3r
12-12-2008, 05:56 PM
The pink wire goes to pin 18 on the grey connector harness.

EDIT: In fact, use this
http://www.magindat.net/ssm/info/AVIC/Install.htm

Thanks magindat!
Midnight
12-12-2008, 06:27 PM
the "car harness" where is that? under the hood?
Midnight
12-12-2008, 06:31 PM
or is it in the radio harness?
ctrlraven
12-12-2008, 08:31 PM
This is info for a 2003 Mercury Grand Marquis, wire color might be Pink but the location will be the same at the LCM.

SPEED SENSE
Wire Color: gray/black
pin #5, gray 22 pin plug @ LCM
The LCM (Lighting Control Module) is located to the right of the steering column. You can get to the harness of the LCM between the steering column and the LCM Module.
ChiTownMaraud3r
12-12-2008, 09:31 PM
Ctrl as far as I remember, its a grey harness to the right of the steering column? And pin 18, just like in magindat's tutorial. I would have gone out to check but it's like 8* out.
fastblackmerc
12-12-2008, 09:34 PM
or is it in the radio harness?

Check the radio harness.
NATEHAWK
12-13-2008, 04:28 AM
Wire you are looking for is grey and black and can be found on the factory radio harness....
ctrlraven
12-13-2008, 04:37 AM
Wire you are looking for is grey and black and can be found on the factory radio harness....

Radio harness or LCM. Forgot the Radio Harness it's what tells the radio's Speed Vol to increase or decrease, I totally forgot about that. I'll have to remember that when I install mine someday.
NATEHAWK
12-13-2008, 06:16 AM
radio factory harness. I have a avic n3 speed sense works great
Drewstang
12-16-2008, 09:00 AM
So the aftermarket DVD / Nav / CD / MP3's have a speed sense just like the OEM? Thats one of the reasons I've been holding off on getting one.
NATEHAWK
12-16-2008, 09:07 AM
some do some don't. The navi units use it for when u go thru tunnels and lose gps the speed sense knows you are still driving. The cd players use it to turn the volume up the faster you drive. But even some players have gyro's that do the same
Vortech347
12-16-2008, 10:49 AM
Lets see some pics!!!!!!!!!!