Type 44 headlights relay?

[Sonar465 at aol.com]

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My head lights stopped working on my '87 5Ktq.  I do not believe it is the
switch because I have been through that before.  I have parking lights
(actually city lights since I have Euro's) and all four lamps light when I
pull back on the "flash" switch.  I was wondering if a relay could have gone
bad?  I lent my manual to a friend and he moved and has not been able to
locate the box it is in yet.  Any help would be great.

Cheers,
Jim