1987 Supra TDS

I'm about to install a Autopage RS855 LCD into a 1987 supra with the toyota theft deterrant system, it also has a starter kill relay. I'm planning on just cutting the wires i need out of the wire harness to the factory alarm, and then running my own wires for whatever else i need. Or would it be better to leave the alarm intact and have the rs855 bypass it? if so how do i do that Thanks in advance

To be more clear, if using the wires out of the harness i would be disconnecting the factory alarm entirely

If the Factory Alarm is working, why Unhook it??Just hook in the RS855 to the Factory Arm & Disarm wiresMO

Don't Learn from Others Mistakes

You Might Be the One That Knows.

Well i've been having problems with it going off just because it feels like it, and then my car not starting because it doesnt want to reset

And i've been searching all over, can't seen to see anything about a disarm wire... http://www.cygnusx1.net/supra/library/TSRM/be/BE_098.html http://www.cygnusx1.net/supra/library/Wiring/pages/Page_122.html

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        | |              12V|white - WHITE/ red   |+ |ignition harness            | |          STARTER|BLACK/ white        |+ |ignition harness            | |        IGNITION|BLACK / YELLOW        |+ |ignition harness            | | SECOND IGNITION|BLACK/ orange        |+ |ignition harness            | |        ACCESSORY|pink/blue           |+ |ignition harness            | |       POWER LOCK|GREEN/ YELLOW        |- |either kick panel           | |     POWER UNLOCK|blue/black          |- |either kick panel           | | PARKING LIGHTS +|green               |   |drivers kick panel          | |     DOOR TRIGGER|RED / white           |- |drivers kick panel          | | TRUNK/HATCH PIN|yellow/black        |- |drivers kick panel          | |        HOOD PIN|tied with trunk     |   |                            | |FCTRY ALRM DISARM|purple / YELLOW       |- |either kick panel           | |       TACHOMETER|black               |   |check connector *1          | |       BRAKE WIRE|GREEN / WHITE        |+ |drivers kick panel          | Notes: *1 The check connector is located in the front of the left shock tower. It is a small rectangular plastic box, either black, gray, or green, and it is marked diagnostic on the lid.Houston,TX

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

I'm a freakin genius, i dunno how i didnt see that it's purple / YELLOW on the diagram right here on this website. Anyways, its great to have another wiring diagram to check against, thanks for the help guys :) The alarm should arrive tomorrow morning, so hopefully all will go well!

Ok, so at first i grabbed the wrong blue/black wire for the doorlocks, i didn't realize there were to blue/blacks in the same harness, i grabbed the thick one, later fixed it to the skinny one. Now i'm struggling to get the remote smart working, the transmitter just beeps at me, even though i've tried to program it for voltage check type, (havent hooked up tach yet) And there were a million green wires in the driver kick panel for the parking light, so i hooked it up to the green wire coming off the switch on my steering column. I can hear relays clicking on and off but no light, and my blinkers won't work at all anymore, won't flash or anything.   The weird thing is my turn fuse is fine, could i have blown out the flasher module? Purple / Red

^ also the above diagram says the hood pin is yellow/black, the guide on this website says PURPLE / red