2003 Honda Element Wiring Information
(Note that this information is from one of the Honda Element message boards. Though I have no reason to doubt it's accuracy, use it with the same caution you would any info you find on the net.)
| ITEM | WIRE COLOR | POLARITY | WIRE LOCATION |
| 12V | white | + | ignition harness |
| STARTER | black/white | + | ignition harness |
| IGNITION | black/yellow | + | ignition harness |
| ACCESSORY | black/red | + | ignition harness |
| SECOND ACCESSORY | white/red | + | ignition harness |
| POWER LOCK | white/blue | - | gray plug above drivers kick |
| POWER UNLOCK | white/green | - | gray plug above drivers kick |
| LOCK MOTOR | yellow/black | | driver kick panel |
| UNLOCK MOTOR | yellow/green | | driver kick panel |
| DISARM DEFEAT | yellow | | passenger kick panel |
| PARKING LIGHTS + | red/black | | driver kick panel |
| PARKING LIGHTS - | blue | | factory alarm plug *1 |
| HEADLIGHTS | blue/red | - | factory alarm plug *1 |
| DOOR TRIGGER | *2 | - | factory alarm plug *1 |
| DOME SUPERVISION | comes on with unlock | | |
| TRUNK/HATCH PIN | red | - | factory alarm plug *1 |
| HOOD PIN | yellow/red | - | factory alarm plug *1 |
| TRNK/HTCH RELEASE | black/yellow | - | driver kick panel |
| FCTRY ALARM ARM | | | |
| FCTRY ALRM DISARM | | | |
| DISARM NO UNLOCK | | | |
| TACHOMETER | blue | | test connector *3 |
| SPEED SENSE | blue/white | | cruise control module *4 |
| BRAKE WIRE | white/black | + | brake pedal switch |
| HORN TRIGGER | orange | - | steering column |
| WIPERS | blue (L), blu/yel(H) | - | steering column |
| LF WINDOW UP/DN | red/blk - red/yel | A | driver window switch |
| RF WINDOW UP/DN | blu/red - blu/wht | A | driver kick panel |
| LR WINDOW UP/DN | blu/blk - brown | A | driver kick panel |
| RR WINDOW UP/DN | blu/org - blu/yel | A | driver kick panel |
| SUN RF OPN/CLOSE | grn/yel - grn/blk | A | relays above driver kick |
| RADIO 12V | white/red | + | radio |
| RADIO GROUND | black | + | radio |
| RADIO SWITCH | yellow/red | + | radio |
| RADIO ILLUMINATE | red/black | + | radio |
| LF SPEAKER | grn/blk - lt green | | radio |
| RF SPEAKER | grn/yel - gry/red | | radio |
| LR SPEAKER | blu/wht - blu/blk | | radio |
| RR SPEAKER | pink - blu/yel | | radio |
NOTES:
This vehicle has an immobilizer system that needs to be bypassed when adding remote start. Use DEI part number 555U.
*1 The factory alarm plug is a green plug to the left of the steering column.
*2 The drivers door trigger is green, and the passenger door trigger is lt. green/black. Use both and diode isolate each.
*3 The test connector is next to the battery.
*4 The cruise control module is to the left of the steering column.
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