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Tacho only works when fan blower is on ???? Sierra with G13B

Tech Talk for Suzuki owners.

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Posts: 12
Joined: Thu Oct 25, 2007 1:27 pm
Location: Sydney

Tacho only works when fan blower is on ???? Sierra with G13B

Post by NJPAJ »

Hi All,

I've just finished my G13B conversion and have a problem with my Tacho.

It only works when the heater fan is turned on ???

I've picked up the signal from the engine bay. It is definitley connected to the correct wire, just don't understand why it only works when the blower fan is turned on.

Any help would be much appreciated.

Cheers,
Daniel
Posts: 4073
Joined: Fri Apr 06, 2007 8:13 pm

Post by lump_a_charcoal »

Maybe the ground runs through the heater?
Suzukis are negatively switched remember...
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