Just a heads up to be careful when adding additional cables into existing circuits on your zed, cable size and fuse ratings need to be taken into account, and Nissan do things a bit back to front with the switching circuits electing to switch the earth rather than the live supply on most of the smaller circuits.

 

Case in point I dealt with over the past week, a zed displaying some odd electrical issues with the lighting circuit and dash cluster. No fuses were blown and no obvious reason for the problems with the lights and non functioning dash cluster.

 

Digging deeper and following the wiring looms nothing showed out, removing the dash cluster also intially failed to show where the issue was. (pic one) however logic suggested I was close and looking a little closer the right hand loom just dod not look right, sort of oddly out of shape.

 

The loom is bound tightly with two layers of insulation so was a bit of a mission but I finally got to the individial cables by cutting right back to the main dash loom and all was revealed. ( pic 2)

 

A single overheated cable had caused a lot of damage to all of the cables around it, bearing in mind no fuses had blown so this owner was super lucky that the offending cable actually melted through completely and broke the over heating circuit.

 

The chances are this fault occured whilst the car was not been used and parked up as the owner had not been aware of any smoke or burning smell.

 

Cutting out the loom section and grafting a new section in with new connectors was a mare, of course many of the cables had melted insulation from adjacent cables and made for a very confusing mess. Having a donor breaker helped massively as it supplied the new wiring parts and was used as a guide where the loom direction was.

 

The problem cable had an additional cable cut into it and was running to an after market lighting unit that itself had an electrical issue due to chaffed cables, the original circuit was served by a 0.5mm cable the one adding in was a 1.5mm and no secondary fusing....be careful guys could of been so different.

 

Jeff TT

 

 

 

Bl**dy hell Jeff, That looks scary.

One lucky zedder.

Good catch.

It also shows the importance of making sure all the fuses are of the correct size, my guess is owners never look here until something goes wrong :sad:.

 

Buy a selection of sizes and on all boxes pull all fuses out and systematically put each one back, footwell one is a pain but you only need to this job the once :cool3:.