> My thinking is that the
> stock diagram, and proably the stock wiring does this so the
> vehicles are both LHD and RHD. And of course, the same
> harness was used for both.
Just so.
> My question is do I have to do it?
Only one of the "cross-over" wires winds up being unused on a LHD car, which
is the green/red wire. You don't need to have that one. The green/white
and green/brown wires are used, so something is not going to work properly
if you leave those out.
> Also, why is there a black wire going to the headlights? My
> diagram shows only two wires go to the headlights?
The black wire is a ground wire, not shown on the diagram. But I strongly
suggest using it (it goes to a ground clip on the body, behind the horns on
each side) as the US-spec headlight bulbs are not grounded to the buckets,
and the buckets are not securely grounded to the body. IOW, your headlights
won't work right without it.
I've attached a copy of a factory wiring diagram, modified (sort of) for
LHD.
Randall
[demime 1.01d removed an attachment of type image/jpeg which had a name of TR3A
LHD SCHEMATIC MODIFIED FROM PRACTICAL HINTS 4TH ED.JPG]
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