Linda,
When new, each of the lamp assemblies had individual ground wires , which
ran to the body at some point. None relied on contact between the lamp
assembly and the body. For example, there should be three wires to each
headlamp -- one for low beam, one for high beam, and a ground.
The alternators have a dedicated ground connection on the housing. (I am
the second owner of my '66 1600, and it was basically unmolested when I
bought it in 1971.) There is (I think) a #10 wire from the alternator
housing to the frame. There is a similar wire from the regulator mounting
bracket to the frame. There is a ground strap from the frame to the engine
block (added, not original). There is also a ground wire (real heavy) from
the starter bolt on the trans to the frame nearby. (That ground was missing
from my '67-1/2 when I bought it a couple of years ago. Replacing it didn't
make any difference in starter performance, but you can't have too many
grounds.
Gary
----- Original Message -----
From: <ljordan704@netscape.net>
To: <datsun-roadsters@autox.team.net>
Sent: Monday, March 15, 2010 1:10 PM
Subject: [Roadsters] Body grounds
> Do the headlight buckets and tail light housings have to be directly
> grounded
> to the body? How about the alternator via the mounting bolt as a grounding
> point also? I know there needs to be wire grounds but wonder about other
> types
> of ground points.
>
> TIA,
>
> Linda
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