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Working on checking the base idle on 1989 760T.
Not certain which test wire to ground. Checked
FAQ: (Setting Base Idle on Bosch LH-Equipped Cars)
and see a reference to a red/white wire.
Checked under hood and see:
Behind battery on drivers side an open connector with
a solid pink and red/yellow wire.
Behind Air Filter on passengers side an open connector
with green/white and a red/black wire.
Perhaps the red/yellow has aged and was red/white at one
time??
Anyone familiar with the use of these 4 wires?
Thanks
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dnvolvo '89 765T - '91 245
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