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'98 Corolla wiring diagram

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=7371
Printed Date: May 01, 2025 at 12:40 PM


Topic: '98 Corolla wiring diagram

Posted By: joseph0608
Subject: '98 Corolla wiring diagram
Date Posted: December 30, 2002 at 9:46 AM

Greetings.I am very much a begginer but I tried to install an alarm on my 1998 Toyota Corolla.I was almost tottaly succesful, though, coz I had everything working right except for the dome light supervision, starter disable, and door trigger on all four. I would really appreciate it if anyone could give a wiring diagram for the vehicle. Also, how can I make the connections for the starter interrupt relay to work?



Replies:

Posted By: Velocity Motors
Date Posted: December 30, 2002 at 10:05 AM
|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|white               |+  |ignition harness            |
|          STARTER|red                 |+  |ignition harness            |
|         IGNITION|BLACK/ white         |+  |ignition harness            |
|  SECOND IGNITION|BLACK / YELLOW        |+  |ignition harness            |
|        ACCESSORY|blue/red            |+  |ignition harness            |
|       POWER LOCK|blue/black *2       |-  |R side of fuse box, wht plug|
|     POWER UNLOCK|GREEN / WHITE  *2     |-  |R side of fuse box, wht plug|
|       LOCK MOTOR|blue                |   |drivers kick panel          |
|     UNLOCK MOTOR|red                 |   |drivers kick panel          |
|    DISARM DEFEAT|red                 |   |passengers kick panel       |
| PARKING LIGHTS +|green               |   |bottom of fuse box          |
| PARKING LIGHTS -|lt GREEN/ black      |   |steering column             |
|       HEADLIGHTS|RED / white           |-  |steering column             |
|     DOOR TRIGGER|RED / white           |-  |instrument cluster or *1    |
| DOME SUPERVISION|*1                  |   |                            |
|  TRUNK/HATCH PIN|RED / white           |-  |light in trunk *3           |
|         HOOD PIN|red                 |-  |hood pin *3                 |
|  FCTRY ALARM ARM|arms with lock      |   |                            |
|FCTRY ALRM DISARM|disarms with unlock |   |                            |
|       TACHOMETER|yel/grn or RED / blu  |   |ignition coils              |
|      SPEED SENSE|violet/white        |4  |center console 22 pin plug  |
|       BRAKE WIRE|GREEN / WHITE         |+  |brake switch                |
|     HORN TRIGGER|GREEN/ red           |-  |steering column             |
|           WIPERS|blu/blk(L),blu/red(H|+  |steering column             |
|  LF WINDOW UP/DN|yellow - green      |A  |drivers door switch         |
|  RF WINDOW UP/DN|grn/red - blu/wht   |A  |drivers kick panel          |
|  LR WINDOW UP/DN|RED / grn - blu/blk   |A  |drivers kick panel          |
|  RR WINDOW UP/DN|RED / blk - blu/red   |A  |drivers kick panel          |
| RADIO ILLUMINATE|green               |+  |radio                       |
|       LF SPEAKER|pink(+)   Violet (-)|non|radio                       |
|       RF SPEAKER|lt.green(+)  Blue(-)|non|radio                       |
|       LR SPEAKER|black(+)  Yellow(-) |non|radio                       |
|       RR SPEAKER|red(+)    white (-) |non|radio                       |

Notes:*1 Also found at the fuse box. There are at least 5 RED / white wires at the fuse box, some will only pick up individual doors, meter them to find the one that will get all the doors, it will be the one that goes up to the instrument cluster, it is in a 12 pin plug on the back of the fusebox. For domelight supervision use one of the individual door triggers. *2 The lock wires are about 18 gauge. They will test only by operating the key in the passenger door lock cylinder, not the rocker switch on the door itself. *3 On vehicle with the factory alarm, can find these wires at the alarm module above the drivers kick panel.



-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA




Posted By: joseph0608
Date Posted: December 30, 2002 at 6:34 PM
Thank you so much for the diagram. Could you also help me out with the starter disable connection? The installation manual shows that I should cut the connection between ignition switch and starter, where or how should I do this? Thanks again for the help.




Posted By: Velocity Motors
Date Posted: January 01, 2003 at 10:50 AM
You can cut the starter wire anywhere between the igntion switch and the starter motor, doesn't matter. Cut it where you have all the other wires connected and make sure that you attach the starter wire from the RS on pin 30 of the relay.

-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA





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