Technical Earth wire dimentions?

[Strandvaskeren]

Hi

I have a couple of electrical gremlins with my 2007 Panda 1.2 and according to this forum the earth wire is a common culprit, so why not start out changing that?

I case you wonder, sometimes when I start the car the hill auto brake thingy decides not to work. At other times I need to turn off the car and turn it back on to get the electric servo assistance to fire up. And finally when indicating to the right my blinker speeds up to indicate that one of the blinker bulbs are out - until I rev the engine a bit, then everything is fine again. So if the light is green when I turn right everything is fine, but if the light is red as soon as the engine goes idle the blinker turns from blink - blink -blink to blinkyblinkyblinky and back to blink - blink - blink as soon as I apply a bit of throttle.

Anyway I would really like some specs on the earth wire before I start disassembling things so I get something aproximately the right length and the proper hole diameter for the bolts.So how long is that wire and what bolt diameter is needed?

 

[koalar]

25 sq.mm, 9.8mm OD, 170 amps

Is fine for the engine block earth

 

[koalar]

Check the rear brake lights while indicating, I suspect the wil be dimming in time with the indicator's

If so

rear light cluster repair | FIAT Panda (Mk3)

pretty self explanatory this one was flashing double speed when using the brake 10mm socket is so much easier press here to release the connector above done forget to clean up the other half. Scrap with a screwdriver blade is normally enough above, Line up these First.

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