Info Sheets SBD 912-956 Series ECU Wiring Insructions

SBD 912-956 Series ECU Wiring Insructions

Pin 1	Purple	Perm. +12V(direct to battery, Via relay)
Pin 2	White	Perm. +12V(direct to battery, Via relay)
Pin 3	Grey	Gearshift light earth trigger
Pin 4	Green	Taco (Rev counter)

SBD 912-956 series ECU wiring instructions

Connect Pins 1 & 2 through a relay as shown:-

NOTE - 2.5mm Core wire must be attached directly onto battery +ve post.

Relay Pin no. 30 - Connect directly to battery +ve post with 2.5mm core wire(see note above)
Relay Pin no. 85 - Connect to Earth
Relay Pin no. 86 - Connect to ignition switched +12V
Relay Pin no. 87 - Connect to 2 wires from interface sure seal pins 1 & 2.

To install a large gear change light

Relay Pin no. 30 - Connect to ignition switched +12V
Relay Pin no. 85 - Connect to interface sure seal pin no. 3
Relay Pin no. 86 - Connect to ignition switched +12V
Relay Pin no. 87 - Connect to gear change lamp

If using a small L.E.D. then a relay is not required

Small LED gear change light installation

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