The TDS-1 Wiring Harness

The TDS-1 Connector

The TDS-1 uses a high quality 12 position connector to interface with all car systems.

The following ten positions are used on the TDS-1:

Position	Connects to	Wire Color	Supplied Length
1	Ground	Black	72 in
2	Switched power, 12 volts <500mA (internally fused)	Red	72 in
3	User-interface button	Gray	68 in
6	From radio, pin T10/1 (green)	Orange	63 in
7	From radio, pin T10/2 (violet)	Blue	63 in
8	Intake air temperature sensor	White	42 in
9	Manifold Absolute Pressure (MAP) sensor	Brown	42 in
10	To instrument cluster, pin T14/8 (yellow) "enable"	Yellow	63 in
11	To instrument cluster, pin T14/4 (violet) "data"	Violet	63 in
12	To instrument cluster, pin T14/3 (green) "clock"	Green	63 in

Power connection

The TDS-1 has an internal 500mA fuse, in addition to the inline fuseholder (also with 500mA fuse) included in the wiring harness. Depending on where you choose to connect to the car's switched power circuit, you may or may not need the inline fuse. The purpose of the inline fuse is to protect the wiring in the case of a short before the TDS-1. If you tap into an already fused circuit, such as the "trunk popper" wire near the glove box, then you can safely omit the inline fuse. If you prefer to connect to the power distribution bolts underneath the driver's knee panel, then the inline fuse is necessary, because the power distribution bolts are before the fuse panel.

Wire length

The TDS-1 harness is supplied with wires which are longer than necessary in most cases. The wires should be cut to length in the car.