A/F Help again

[808Camry]

I seem to have lost my manual that came with my autometer A/F gauge.

I wanted to know what the three wires were, I know black is ground, but is red the 12V power and purple the signal wire that goes to the blue wire on the front O2 Sensor?

[boneezy]

I seem to have lost my manual that came with my autometer A/F gauge.

I wanted to know what the three wires were, I know black is ground, but is red the 12V power and purple the signal wire that goes to the blue wire on the front O2 Sensor?

yup