Does anyone have the wiring diagram for the Acura MDX? We appreciate the help. Thanks
Here is the 2002 diagram which has not changed for the 2003:
| ITEM | WIRE COLOR |POL| WIRE LOCATION |
| 12V|white |+ |ignition harness |
| STARTER|BLACK/ white |+ |ignition harness |
| IGNITION|BLACK / YELLOW |+ |ignition harness |
| SECOND IGNITION|yellow |+ |ignition harness |
| ACCESSORY|WHITE/ black |+ |ignition harness |
| POWER LOCK|BLACK/ orange |- |passenger mux unit *1 |
| POWER UNLOCK|blue/orange |- |passenger mux unit *1 |
| LOCK MOTOR|WHITE/ red | |passenger mux unit *1 |
| UNLOCK MOTOR|yellow | |passenger mux unit *1 |
| DISARM DEFEAT|lt. GREEN/ red | |passenger mux unit *1 |
| PARKING LIGHTS +|RED / black | |drivers kick panel |
| PARKING LIGHTS -|RED / yellow | |headlight switch |
| HEADLIGHTS|blue/green |- |headlight switch |
| DOOR TRIGGER|BLACK/ white |- |interior light switch |
| DOME SUPERVISION| | | |
| TRUNK/HATCH PIN|common with doors | | |
| HOOD PIN|yellow |- |hood switch or *2 |
| DISARM NO UNLOCK|blue |- |drivers lock key cylinder |
| TACHOMETER|blue | |test connector *3 |
| SPEED SENSE|blue/white | |under passenger seat *4 |
| BRAKE WIRE|WHITE/ black |+ |brake pedal switch |
| HORN TRIGGER|lt. GREEN/ blue |- |steering column |
| WIPERS|blue (L), blu/yel(H)|+ |steering column |
| LF WINDOW UP/DN|RED / blu - RED / yel |A |drivers window switch |
| RF WINDOW UP/DN|blu/wht - blu/yel |A |LF window switch in door |
| LR WINDOW UP/DN|RED / blu - RED / yel |A |LR window switch in door |
| RR WINDOW UP/DN|RED / blu - RED / yel |A |RR window switch in door |
| SUN RF OPN/CLOSE|grn/yel - grn/red |A |relays in drivers kick panel|
| RADIO 12V|white |+ |radio |
| RADIO GROUND|black |- |radio |
| RADIO SWITCH|WHITE/ red |+ |radio |
| RADIO ILLUMINATE|RED / black |+ |radio |
| POWER ANTENNA|yellow/white |+ |radio |
| LF SPEAKER|blu/grn - gry/blk | |radio |
| RF SPEAKER|RED / grn - brn/blk | |radio |
| LR SPEAKER|blu/yel - gry/wht | |radio |
| RR SPEAKER|RED / yel - brn/wht | |radio |
Notes:NOTE: This vehicle has an immobilizer system that needs to be bypassed when adding remote start. *1 The passenger mux unit is attached to the passenger side fuse box in the passenger kick panel. *2 Also found at the drivers mux unit, which is attached to the driver side fuse box in the drivers kick panel. *3 The tach test connector is a 2 pin connector on the driver side fender. *4 In an 8 pin connector.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Thank you much.