[DeTomaso] Head Lights - Trouble shooting

[MikeLDrew at aol.com]

In a message dated 7/28/08 13 54 48, charlesmccall at gmail.com writes:


> ***Without knowing how the switch is actually wired, this would coincide
> with our experience, Mike, in a failing switch. You'll recall my headlight
> action in the death throes of my headlight switch - when it failed, the
> headlights went down and wouldn't go up again.
> 

Ah yes, I forgot about the existence of the headlight bucket raising relay, 
on the relay panel.   I guess turning the headlight switch 'on' powers the 
relay closed, and power flows to the up side of the motor, until the limit switch 
is depressed and the ground is removed from the motor, stopping it.   Turning 
the headlight switch 'off' (or alternately, having the switch fall apart 
internally) removes power from the bucket raising relay, which then opens it, 
allowing power to flow to the 'down' side of the motor until *that* limit switch is 
depressed.

I know the headlight motor relay is a complicated thing, not a simple relay 
as used for the horns, fans etc.   I've also been told by several 
electrically-inclined people that ALL Panteras were mis-wired at the factory, so that the 
wires connect to the relay in a different manner than the wiring diagram 
indicates.   It's wired 'backwards' or something, and still works properly, but it 
isn't "right".   Rick Moseley switched my wires around so that my car matches 
the diagram--and everything still works perfectly.

Well, for now anyway...:>)

Mike


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