wiring info 91 mercury grand marquis

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eurotech

Member - Posts: 44

Joined: April 26, 2004

Location: United States

Posted: April 28, 2004 at 6:21 PM / IP Logged

I need to know what car you have

mikej9881

Member - Posts: 20

Joined: April 23, 2004

Location: United States

Posted: April 28, 2004 at 6:32 PM / IP Logged

its a 91 mercury grand marquis and there is only 1 acc. wire listed on this site. that cant be right though bcuz i tried all the wires 1at a time which came on when ignition was in on position. i turn the key on and the blower works.

mike

mikej9881

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Joined: April 23, 2004

Location: United States

Posted: April 28, 2004 at 6:36 PM / IP Logged

i have a positive signal for a trunk release coming of my alarm .and believe my car uses a positive signal to pop trunk. its a 91 mercury grand marquis question is should i use a relay? there isnt one being used in the instructions and it came with all other needed relays.

mike

eurotech

Member - Posts: 44

Joined: April 26, 2004

Location: United States

Posted: April 28, 2004 at 6:37 PM / IP Logged

is there 2 grey yellow wires at your ign harness? if so, try powering them both up

eurotech

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Joined: April 26, 2004

Location: United States

Posted: April 28, 2004 at 6:40 PM / IP Logged

if it is a full 12v signal then you should be able to hook right in to it

mikej9881

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Joined: April 23, 2004

Location: United States

Posted: April 28, 2004 at 8:41 PM / IP Logged

yes actually there may be 3

mike

mikej9881

Member - Posts: 20

Joined: April 23, 2004

Location: United States

Posted: April 28, 2004 at 8:41 PM / IP Logged

yes actually there may be 3 and can i use the 1 acc. power wire from the remote start relay for both

mike

profuse007

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Joined: October 20, 2002

Location: Texas, United States

Posted: April 29, 2004 at 12:15 AM / IP Logged

what kind of alarm unit is this?

Houston,TX

"The two most common elements in the universe are H+ and stupidity" (Ellison).

mikej9881

Member - Posts: 20

Joined: April 23, 2004

Location: United States

Posted: April 29, 2004 at 10:36 AM / IP Logged

phoenix digital 2 way pd-175

mike

mikej9881

Member - Posts: 20

Joined: April 23, 2004

Location: United States

Posted: April 29, 2004 at 10:49 AM / IP Logged

the color code chart on this site is somewhat wrong. i have a phoenix digital 2 way . it came with a 3 pack prewired relay for the remote start. i got it starting fine but need help gettin the a/c to come on. the ign. relay has one wire for the power to ign. same as the acc. relay. heres the proper vehicle wiring info i believe. i have the ign. wire to the red light green and i need to hook up the acc wire to BLACK/ green. so how do i hook up all the other ign. wires needed?

Mercury

Grand Marquis

1990-1991

Remote Starter Wiring Colors and Notes
Function	Vehicle Color	Location
Start:	WHITE/ PINK	IGNITION SWITCH HARNESS
Ignition #1:	RED / LIGHT GREEN	IGNITION SWITCH HARNESS
Ignition #2:	BROWN / PINK	IGNITION SWITCH HARNESS **
Ignition #3:	GRAY / YELLOW-2WIRES	IGNITION SWITCH HARNESS **
Accessory:	BLACK/ LIGHT GREEN	IGNITION SWITCH HARNESS
Brake Light:	LIGHT GREEN (+)	AT SWITCH ABOVE BRAKE PEDAL
Tach Signal:	DARK GREEN/ YELLOW '#	TAN / YELLOW ' # AT COIL *

mike

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.