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Discussion Starter #1
So, here's a new 280Z headlight relay wiring diag. that needs some vetting by experienced minds.

As will become apparent, this is no quickie solution, as it entails reversible modifications at a couple connectors and a few hard-to-source parts.

On the plus side, it addresses issues like low-amp switching at the rotary combination, using the (E) power source for relay actuation, and allows keeping the relays inside the cabin. Plus, it includes the Hi-Beam indicator on the Speedo and it frees two spots at the fuse panel (fog lights?).

Note: the fuses are sized for stock incandescents, but the wire sizes will accommodate hotter bulbs.

So look it over and, if you will, offer corrections/adjustments as needed.

If elements look familiar, it's because the diag. was built on the bones of a previous effort for 240s (with a special thanks to it's Author).

Your attention, help, and support are appreciated.
 

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Discussion Starter #3
Mr.stone:

Thanks. Straightforward is a specialty, as is neat and tidy.

No errors/omissions you could note?

Well, the 3-prong headlight sockets aren't too bad, of course.

But the 4 new connections into the two (Speedo and headlight mode multisw.) (E)connectors are problematic, in that one must use a correct wire end for the plugs, and I have yet to find same. (Remember, the operant principle is to not make permanent alterations to the original harness (wire cutters, splices, etc. are strictly verboten. The electrical version of "drill no holes" is to dismount, retain, and replace.)

I reckon the hot trick here is to buy a clipped-out connector from another Z, but given the propensity of wrecking yards to deal only in easily accessible big chunks, this item would likely have to come from a private party.

Additionally, I'm still digging for appropriate, weather resistant "Y" connector units. I found one (under pressure) that would take the amps of the fog lights, but I'm not fond of its configuration. I would like something with rubber boots for the headlights.

Thanks for your comments.

Anyone else?
 

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Discussion Starter #5 (Edited)
Well, just the ends actually. The issue is that I don't yet know for certain whether the required ends are male or female.

If someone is familiar with the two connectors involved, perhaps they might offer some advice in that regard. For my part, I won't be able to personally verify until this Spring, when I will be able to address this issue personally. I'm just trying to get a head start with getting the parts together ahead of time.

The alternate solution would play off the probability that all 280 connectors have the same ends and that a complete 4 (or more) place connector off a 280Z will have both sides of the appropriate wire ends required.
 
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