Below is the vehicle specific wiring diagram for a remote start, security system and keyless entry install in a 1999-2004 Honda Odyssey. This information is for guidance purposes only. We recommend that a certified tech install the system. Make sure all connections are good and use necessary tools.
| Item | Wire Color | Polarity | Wire Location |
| 12V | white | Positive (+) | ignition harness |
| Starter | black/white | Positive (+) | ignition harness |
| Starter 2 | none | ||
| Ignition | black/yellow | Positive (+) | ignition harness |
| 2nd Ignition | yellow | Positive (+) | ignition harness |
| 3rd Ignition | none | ||
| Accessory | white/black | Positive (+) | ignition harness |
| Accessory 2 | none | ||
| Tachometer | blue | above the brake master [2] | |
| Power Door (Lock) for [Negative (-)] Door Lock | black/white | Negative (-) | green 6-pin plug [1] |
| Power Door (Unlock) for [Negative (-)] Door Unlock | green/red | Negative (-) | green 6-pin plug [1] |
| Door Trigger | black/white | Negative (-) | domelight on/off switch |
| Dome Supervision for [Negative (-)] Dome | lt. green | Negative (-) | domelight on/off switch |
| Headlights | blue/red | Negative (-) | steering column |
| Parklight Positive | red/black | Positive (+) | 10-pin plug [1] |
| Parklight Negative | none | ||
| Wipers | blue and blue/yellow | Negative (-) | steering column |
| Left Front Window (Up/Down) | red/blu – red/yel | drivers window motor | |
| Right Front Window (Up/Down) | blu/wht – blu/yel | RF window switch | |
| Left Rear Window (Up/Down) | grn/red – grn/yel | A | LR window switch |
| Right Rear Window (Up/Down) | red/blu – red/yel | A | RR window switch |
| Trunk/Hatch Pin | tied in with door | ||
| Hood Pin | yellow/red | Negative (-) | right of steering column |
| Trunk/Hatch Release for [] Trunk/Hatch | |||
| Factory Alarm (Arm) | |||
| Factory Alarm (Disarm) | blue | Negative (-) | DDM in driver door |
| Horn | lt. green/blue | Negative (-) | steering column |
| Brake | white/black | Positive (+) | brake pedal switch |
| Door Motor (Lock) | white/red | green 10-pin plug [1] | |
| Door Motor (Unlock) | lt. green/red | green 10-pin plug [1] | |
| Disarm | lt. green/red | green 14-pin plug [1] | |
| Disarm No Unlock | none | ||
 | |||
| Additional Info: | |||
| This vehicle has an immobilizer system that needs to be bypassed when adding remote start. [1] The plug is located at the bottom of the fuse box. [2] In a 2-pin test connector. [3] The PCM is located in the center console. The speed sense is located in a 32-pin plug. | |||
