+/- Triggers
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=40282
Printed Date: May 08, 2025 at 6:49 PM
Topic: +/- Triggers
Posted By: LqDFx
Subject: +/- Triggers
Date Posted: October 04, 2004 at 6:25 PM
I just got started on my car alarm install. I am running all the wires to where they need to go today, but make all the connections later. I am taking my time to have a clean install on this thing. The only thing I am confused about is the Parking Lights and the Interior Lights polarity. I have checked the Wiring Information on the site for my 86 Mustang, but I am unasure how to find thepolarity for these wires.I have a Volt-Meter, but I am not sure how to check the +/- with it! Any help would be great! Thanks
Replies:
Posted By: Teken
Date Posted: October 04, 2004 at 6:45 PM
Ford
Mustang
1986-1987
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:
GRAY / YELLOW (# AWG)
IGNITION SWITCH HARNESS **
Ignition #3:
GRAY / YELLOW-2WIRES
IGNITION SWITCH HARNESS **
Accessory:
BLACK/ LIGHT GREEN
IGNITION SWITCH HARNESS
Brake Light:
RED / LIGHT GREEN
(+) AT SWITCH ABOVE BRAKE PEDAL
Tach Signal:
DARK GREEN/ YELLOW
AT COIL *
Parking Lights:
BROWN
(+) AT LIGHT SWITCH
Headlights:
RED / YELLOW
(+) AT HEADLIGHT SWITCH
OEM Alarm Disarm:
N/A
OEM Alarm Arm:
N/A
Diesel Glow Plug:
Clutch Bypass Wire:
Notes:
* Only 5.0L, 1986 2.3L Turbo Charged & 1987 2.3L Have Electronic Fuel Injection, Rest Are Carburated Or Throttle Body Injection. ** See Note #127 - Ford Ignition Switch Connection Diagram.
--------------------------------------------------------------------------------
Ford
Mustang
1986-1987
Alarm and Keyless Entry Wiring Colors and Notes
Function
Vehicle Color
Location
Constant +12 Volts:
YELLOW OR YELLOW
IGNITION SWITCH HARNESS
Starter Kill:
WHITE/ PINK
IGNITION SWITCH HARNESS
Ignition +12 Volts:
RED / LIGHT GREEN
IGNITION SWITCH HARNESS
Dome Lights/Superv:
BLACK/ LIGHT BLUE
(+) PIN SWITCH OR AT COURTESY LIGHT
OEM Horn:
YELLOW/LIGHT GREEN
(-) STEERING COLUMN HARNESS
Power Lock:
PINK/LIGHT GREEN
DRIVER'S KICK PANEL ***
Power Unlock:
PINK / YELLOW
DRIVER'S KICK PANEL ***
Trunk Release:
PURPLE / YELLOW
(+) AT RELEASE SWITCH
Alarm Input Wire:
BLACK/ LIGHT BLUE
(+) PIN SWITCH OR AT COURTESY LIGHT
Notes:
** See Note #203 - Reverse Polarity Door Lock Diagram.
Posted By: Teken
Date Posted: October 04, 2004 at 6:46 PM
DIRECTWIRE™ WIRING INFORMATION - FORD / MUSTANG / 1986 / Remote Star
12volts
Starter RED / blu or wht/pnk ignition harness
Second Starter
Ignition RED / green ignition harness
Second Ignition
Third Ignition
Accessory gray / YELLOW ignition harness
Second Accessory BLACK/ green ignition harness
Keysense
Power Lock pink / YELLOW 5wi high in kick
Power Unlock pink/green 5wi high in kick
Lock Motor
Unlock Motor
Parking Lights+ brown switch or driver door sill
Parking Lights-
Hazards
Turn Signal(L)
Turn Signal(R)
Reverse Light
Door Trigger BLACK/ blue + kick
Dome Supervision
Trunk/Hatch Pin tied in with doors
Hood Pin
Trunk/Hatch Release
Power Sliding Door
Factory Alarm Arm
Factory Alarm Disarm
Disarm No Unlock
Tachometer
Wait to start
Brake Wire RED / green brake pedal switch
Parking Brake
Horn Trigger
Memory Seat 1
Memory Seat 2
Memory Seat 3
Immobilizer Bypass Module: Required: No Type: N/A Part #: N/A
Notes: N/A
Posted By: Teken
Date Posted: October 04, 2004 at 6:50 PM
MUSTANG / MUSTANG GT 1987-1994
WIRE COLORS LOCATION
12 VOLTS CONSTANT YELLOW (X2)
IGNITION SWITCH HARNESS
IGNITION 1 RED / LIGHT GREEN (+) IGNITION SWITCH HARNESS
IGNITION 2 BLACK/ GREEN (+) IGNITION SWITCH HARNESS
ACCESSORY /HEATER BLOWER GRAY / YELLOW (+) (2) wire use only 1 IGNITION SWITCH HARNESS
STARTER WHITE/ PINK or RED / BLUE (+) IGNITION SWITCH HARNESS
PARKING LIGHTS (+) BROWN at HEADLIGHT SWITCH or in DRIVERS KICK PANEL
DOME LIGHT BLACK/ LIGHT BLUE (+) at DOOR PIN SWITCH in KICK PANEL
POWER DOOR LOCK PINK/LIGHT GREEN in EITHER KICK PANEL (TYPE "C")
POWER DOOR UNLOCK PINK / YELLOW in EITHER KICK PANEL (TYPE "C")
TRUNK/HATCH RELEASE PURPLE / YELLOW (+) at RELEASE SWITCH
TACH SENSOR TAN / YELLOW at IGNITION COIL(4-CYL) on engine, and at DIAGNOSTIC PLUG(V-8) Drivers Shock tower under hood.
BRAKE
RED / LIGHT GREEN (+) at SWITCH ABOVE BRAKE PEDAL
HORN
YELLOW/LIGHT GREEN (-)
at STEERING COLUMN HARNESS
Posted By: Teken
Date Posted: October 04, 2004 at 7:01 PM
If you want to learn first hand how to verify each connection point. Please do the following.
DOOR TRIGGER: Set your DMM on DCV / DC 20 volts range. Connect your (-) negative DMM lead to the chassis frame / ground. Probe the trigger wire which you believe is the door pin. If it is, then it will show +12 VDC when you depress the switch, and goes back to 0 volts, upon the rest / open position.
PARKING LIGHTS: Set your DMM to DCV / DC 20 volts range. Connect the (-) negative DMM lead to chassis frame / ground. Probe the wire in the light switch which you suspect as being the one. Turn on the parking light switch and it should show 12 volts, when you turn it off, it will go back to 0 volts.
Remember, if you probe the wrong wire, such as the dimmer light switch, it will vary the voltage with the setting. So make sure it is the actual switch, as it will not vary at all, or very little.
Lesson 101 is over . . .
Regards
EVIL Teken . . .
Posted By: LqDFx
Date Posted: October 04, 2004 at 8:08 PM
Between the post I have figured out that the wires are positive. Thank you for the information! Teken, I do want to learn and I am trying to understand your post. When the door is closed, if I am reading it correctly, I will get a 0 volt reading and a 12 volt when the door is open. This means it is a positive switch, correct? If it was the other way it would be a negative switch? I am assuming that a (+) or (-) switch is something like a relay. If it is a negitive, then it would be using the Normally closed position to send power to a circuit. Am I correct in this assumption? Only trying to learn and understand things so that I can do better work in both now and in the future! Thanks!
Posted By: Teken
Date Posted: October 04, 2004 at 9:01 PM
Just wanted to give you a few reference materials to speed along the install process.
I am glad you want to take time to learn and understand how to check each connection.
Many others simply want to read the charts, and move on. That does nothing for the person who wants to learn, or fully understand what to do when a problem arrises.
If you have more questions, just ask. There are many knowledgable members on this forum more then willing to take the time to explain to you any question you may have.
Regards
EVIL Teken . . .
Posted By: Teken
Date Posted: October 04, 2004 at 9:06 PM
https://www.directechs.com/techtips/pdfs/resources/security/directed_techtips/1040.pdf
Here are some resources for you to review. This one is about diodes, and how to use them for common applications.
Posted By: Teken
Date Posted: October 04, 2004 at 9:07 PM
Posted By: Teken
Date Posted: October 04, 2004 at 9:08 PM
Posted By: Teken
Date Posted: October 04, 2004 at 9:09 PM
Posted By: Teken
Date Posted: October 04, 2004 at 9:13 PM
https://www.directechs.com/techtips/pdfs/resources/security/directed_techtips/1045.pdf
This is how to use your DMM to test your circuits as I explained earlier.
Practice on your vehicle and on others, to see, and to fully understand the process.
Everyone learns by doing. Practice these simple procedures when and where you can, and future installation(s) will become more comfortable.
Regards
EVIL Teken . . .
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