Fred, I would add one thing more to John's advice.
You can open the relay and clean the contacts inside. This cured my light
dimming while reving. I realise that wasn't your problem, but John's post
was almost a FAQ on headlight problems.
-----Original Message-----
From: Fred Schroeder [mailto:roadster@texoma.net]
Sent: Thursday, December 06, 2001 12:20 PM
To: John F Sandhoff; datsun-roadsters@autox.team.net
Subject: Re: Headlights
John, I do believe that you have answered the question. It would appear
that the
wiring diagram that I have is not for the '70. I assumed that the extra
fuse was
just to split up the load. As it doesn't show on my diagram, I further
assumed that
it carried power. Being wired the way you describe it would act as a ground
loop
when the fuse opens and cause the rather odd results that I observed. Many
thanks!! This has bugged me for years.
John F Sandhoff wrote:
> First, note that 1970 is DIFFERENT than prior years! On 1970, there
> are TWO fuses, one for each bulb, and +12 is fed to the 'common' (what
> you'd expect to be ground) terminal. To activate the lights, the hi or
> lo contact is brought to ground. So if you're using different bulbs, be
> careful as some of the HO stuff has the 'common' terminal grounded
> as part of its construction.
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