1990 Volvo 760 Turbo Turn Signal Problem

  • Thread starter Thread starter Randwill
  • Start date Start date
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Randwill

Fuses and bulbs replaced; but right turn signal only functions when parking
lights are turned on. Will not function when regular lights or high beams
are on. Can anyone advise? Thanks in advance.
 
Randwill said:
Fuses and bulbs replaced; but right turn signal only functions when
parking lights are turned on. Will not function when regular lights or
high beams are on. Can anyone advise? Thanks in advance.
Click to expand...
That set of symptoms is a new twist (usually turning the parking lights on
will kill the turn signal) but the suspicion still turns to the grounding
for the right front lights. I'm thinking the common ground for all those is
not making contact to the chassis, and the turn signal current is going
backward through the headlights when those are not turned on. If so, the
right headlight will be very dim and the right turn signal (front and rear)
should be on solid when the headlights are on. Otherwise, I dunno, but
grounding is still a prime suspect.

Mike
 
Michael Pardee said:
That set of symptoms is a new twist (usually turning the parking lights on
will kill the turn signal) but the suspicion still turns to the grounding
for the right front lights. I'm thinking the common ground for all those
is not making contact to the chassis, and the turn signal current is going
backward through the headlights when those are not turned on. If so, the
right headlight will be very dim and the right turn signal (front and
rear) should be on solid when the headlights are on. Otherwise, I dunno,
but grounding is still a prime suspect.

Mike
Click to expand...

Thanks. We looked and found the loose wire. Problem solved.
 
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