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Looking for advice on an electrical issue.....my headlights pulse when I am driving at all speeds and at idle. Where should I start in diagnosing this problem. The truck is a Yankee Coach ambulance used for camping/tailgating.
if you have a leece-neville alt then your problem
will most likley be the voltage reg.
this can be internal or external
all depends on the last mechanic
beware of the way your unit is wired
especially with the external model
these can have solenoids wired in the circuit
to handle the higher loads
these can cause you pulsing lites also