Thread: strange electrical issue

In my experience 99% of weird electrical issues when you put your foot on the brake pedal are related to earthing issues.

I'd start by looking at any earth points that are shared between instruments and lighting.

Steve

Originally Posted by steveG

In my experience 99% of weird electrical issues when you put your foot on the brake pedal are related to earthing issues.

I'd start by looking at any earth points that are shared between instruments and lighting.

Steve

X2. Definitely sounds like an earth problem.

When I use the brake pedal my park lights come on haha

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Originally Posted by BadCo.

When I use the brake pedal my park lights come on haha

Your problem is a bad earth, most likely at the tail lights themselves.

As for the OP's situation; the voltmeter and brake lights don't share an earth path, so it is more likely the problem is supply side. I don't have the schematic with me, but from memory brakes and gauges share a fuse. My guess is that your problem will be there - make sure the fuse is tight in the holder and that there's no corrosion.

Originally Posted by Dervish

Your problem is a bad earth, most likely at the tail lights themselves.

I'm 100% sure its the poor fittings themselves. I have not bothered to fix them because I'll change to LED fittings later.

Its just amusing the electrical issues you get with these trucks haha.


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