Late model electrical harnesses | 300ZX Technical Discussion | Forum

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Late model electrical harnesses
September 12, 2013
11:04 am
MasonZ
Guest

Hi Guys, I'm wondering as to if the electrical harnesses got upgraded in the latter years.
I know there is a series 2 injector for the Main engine harness, and a PTU type2.
Please let me know of a list of compatibility for exchange or upgrading such.
Also what about for the rear brake lights? Does the rear late model lights and lense brake light require a new harness?

September 12, 2013
4:47 pm
mungyz
Guest

The 99 spec tail lamps just plug in electrically.

The wiring harness for the engine can be updated and repaired as required or it can be replaced altogether.
To replace it you almost need the engine out of the car, it can be done with the engine in BUT it's a hell of a job and risky as you might break a wire if not careful, air conditioning has to be degassed and the evaporator box has to come out.

Ignore all advice when it comes to LHD cars and the wiring harness etc, things are set up very differently.

Also if you want a tidy job ignore any advice that says use the LHD harness in the RHD car – it's a mess and does not work out nicely at all.

(The Lab stocks plenty of series two PTUs & plugs and has coil & inj plugs in stock at all times)

September 12, 2013
6:50 pm
fomedome
Guest

Have replaced the injector plugs with Bosch plugs which work really well wink
got a shot of my body harness atm
null
bit of a mess atmhelp

September 12, 2013
9:43 pm
mungyz
Guest

Looks similar to the wiring in the new ute at the moment Marty laugh

September 13, 2013
9:01 am
MasonZ
Guest

Thanks, I think my main harness the one that runs within the fenders is needing replacement. Sigh I've got no choice but a new one I guess.

September 13, 2013
10:31 am
mungyz
Guest

Maybe we need to have a look at it and see what's wrong, that's a big bit of gear to replace, are you sure there aren't repairs that could be carried out to sort it?

September 13, 2013
12:38 pm
MasonZ
Guest

Yeah, I hope I just need connectors in various key places. It is just so brittle, like heat has degraded the plastic.

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