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-   -   alarm install question (http://www.hstuners.com/forums/showthread.php?t=6340)

Onyx 07-22-2002 08:21 PM
alarm install question
 
I am installing a new alarm and I don't want to put a instant ground pin switch in my trunk. There is a light that turns on when the trunk lid is opened even when the key is out. I figured it is using an instant ground switch somewhere. Is it possible to splice in to the light wire with out messing up the alarm?

BrandonClaps 07-23-2002 06:55 PM
lt green wire in the factory alarm plug
or blue/blk wire in drivers kick panel harness towards the rear

Onyx 07-24-2002 06:43 PM
I don't understand, are u saying it should be ok to splice in to the light wire. I want to make sure that the 12v feed to the light is not going to interfere with the alarm. also I am not sure if the wire colors are the same, this alarm is going in my wifes car, not my civic.


thanks for your reply, and putting this post in the right forum

BrandonClaps 07-24-2002 07:41 PM
well first off i need to know what kinda car it is, year make model, then i needa know if the instant trigger is a negative or positive input....

Onyx 07-24-2002 09:09 PM
it is a 89 mustang gt and the switch is a instant ground switch so I would have to say neg.

BrandonClaps 07-25-2002 02:30 AM
make sure you test it first, it says it's positive, it will read 12v when the door is open and 0v when closed

Code:
|      ITEM      |    WIRE COLOR    |POL|      WIRE LOCATION        |
|              12V|yellow              |+  |ignition harness            |
|          STARTER|red/blu or wht/pink |+  |ignition harness            |
|        IGNITION|red/green          |+  |ignition harness            |
|  SECOND IGNITION|                    |  |                            |
|        ACCESSORY|gray/yellow        |+  |ignition harness            |
|      POWER LOCK|pink/yellow        |5wi|either kick                |
|    POWER UNLOCK|pink/green          |5wi|same                        |
| PARKING LIGHTS +|brown              |  |light sw or dr. kick        |
| PARKING LIGHTS -|                    |  |                            |
|      HEADLIGHTS|red/yellow          |+  |at light switch            |
|    DOOR TRIGGER|black/blue          |+  |at pin switch in kick      |
|TRNK/HTCH RELEASE|purple/yellow      |+  |at switch                  |
|      TACHOMETER|dk. green/yellow    |  |diagn. plug *1 or coil      |
|      BRAKE WIRE|red/lt. green      |+  |brake pedal switch          |
|    HORN TRIGGER|yellow/lt. green    |-  |steering column            |
|          WIPERS|brown/white *2      |+  |at switch harness          |
|  LF WINDOW UP/DN|wht/blk - yellow    |A  |in drivers door            |
|  RF WINDOW UP/DN|wht/yel - tan/blu  |A  |in drivers door or dkp      |
|  LR WINDOW UP/DN|yel/blu - red/blu  |A  |in drivers door or dkp      |
|  RR WINDOW UP/DN|yel/blk - red/blk  |A  |in drivers door or dkp      |


Notes:
*1 Plug at drivers front corner of engine, set module on 4 cyl;  coil at drivers shock tower, set module on 8 cyl.
*2 This is for low and high speed. For intermittent there is a dark green which pulses. Add the two signals together with diodes.


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