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R32 Skyline - Help.


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So it seems i've unfortunately purchased an absolute sh*t show. I'm hoping someone can help me with my issue or shed some useful advice. Car is fitted with aftermarket alarm (not 100% sure that's the issue). Car also has a brand new wiringspecialties engine loom for an RB20det. 

I've had loads of wiring issues with my car since the start, there's a turbo timer, boost controller gauges etc all powered off what was the radio.

Currently, my indicators, brake and dash lights don't work, however my headlights do. I've now also got an issue with my starter signal only being 6volts instead of the full 12, so not getting crank either.

What also might not of helped, is my mate has put the battery in the wrong way round at one stage, which i think also possibly caused some of these issues. 

I have also been offered an interior loom from an automatic, would the interior side of this be the same as a manual?

 

I know there's a lot of issues, but i appreciate any help or at least a starting point to check. I've checked the fuses and all looks ok. Fuel pump still primes as well to add to the confusion 

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Whether the interior loom is the same or not (probably is), that is unlikely to resolve the issue.

Best suggestion might be to take it to an auto electrician and get them to sort it, but will cost somewhere between "a bit" and "heaps" because there will be lots of tracing involved.

Alternatively if you have the time and patience to sort through it yourself, you need to get the R32 GTR workshop manual which includes the RB20 wiring diagrams and work through everything from the power supply circuits. The battery connection issue will have blown at least one fuse and sounds like it has also caused some issue with your key barrel or it's wiring (or possibly ECU fried, depending where you detected 6v)

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5 hours ago, GTSBoy said:

There were auto Type Ms. It's not like Type M means anything particularly special. It's not the Vspec of GTSts.

Thanks! I'll have to check my VIN, as i thought it was a factory 20det. Could potentially explain the issues with the new loom?

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  • 3 weeks later...

Right, so I've sorted the P/n bypass, and have now got spark and a crank, fuel feeds to the rails.

Only thing I'm not getting is the injectors fueling. Any ideas of what to look at for this? 

 

When spinning the cas can hear the injectors click/buzz 

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6 hours ago, ryand96 said:

Right, so I've sorted the P/n bypass, and have now got spark and a crank, fuel feeds to the rails.

Only thing I'm not getting is the injectors fueling. Any ideas of what to look at for this? 

 

When spinning the cas can hear the injectors click/buzz 

Check you have the feed and return to the rail the correct way around

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