O2 heater wire

[dAzLr]

hey guys which color wire is the O2 heater power, theres 4 wires for it coming off the exhaust manifold so im not sure which one is the actual heater wire cheers

[ECU-MAN]

read this thread

http://www.ozhonda.com/forum/showthread.php?t=68798

the PO2H is pin 3 in the pic and is blk/wht