it can only be 3 things, blown fuse, (test them not gander)
open circuit or short circuit.
are you saying park running lights are dead, aka, TAIL.
are the park lights working up front, ? and on dash?
1st click of head light switch is park. that is dead,at all lamp inside and outside of car?
02 xl7 (usa car answers, we do, here, as it is a USA forum)
this car has a BCM, body brain.
and it runs most things, we scan it first to see if IT has issues.
called DTCs.
when you select TAIL, at switch this is a digital input to BCM
true (0v = true) signal tells BCM you want tail/ parks on.
it (BCM) then closes relay 23 (seen below) park/tail relay
if the fuse is not blown, then this relay glows the dash
Illumination lights (park dim) are yours glowing now.
yes the all that is good fuse to dash.
now out side car, lots of tail/park lamps, which dont glow, just rear?
ok thanx but is the back tail light the same bulb as the back turn signals and brake lights.
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