re: Air-con faulty [broken pipe?]
Decks,
Today i've
1). disconnected battery, disconnected and cleaned all three earth connectors on negative terminal with a wire brush and contact cleaner.They wern't that bad actually.
2). disconnected and cleaned the fan connector plug N11. Just to mention this has power going it even with ignition off, i used one of those crocodile clip with wire light up screwdriver thingies to find this, I assume this being a constant live is correct?
3). i then ran two seperate wires, one from the positive of the N11 plug to the fan itself (in theory just extending the existing wire) so power still going into the fan unit.
Then using my light up screwdriver i touched the 2nd terminal in the fan unit (not the plug N11) and it lit up, so i'm assuming that power is passing through the plug, down my wire into the fan unit and back out, phew!
I'm not sure if this is correct, perhaps you could confirm.
4). Then i ran my second wire from the 2nd terminal in the fan unit and touched the other end onto the negative terminal on the battery to earth it.
The fan instantly spun into life, so i know it works..... but i've bypassed the fan switch.
When you said "I'd try your own earth line by jumping from the fan connector earth to a suitable earth and see if the fan works now ok just to check that's what's causing the problem"
Did you mean have i have described above?
5). disconnected and cleaned the green thermostat switch. i know this is working as when i switched the ignition on i got a coolent temp warning message as i forgotten to plug it back in, LOL
While checking the wires on route to the battery i found that both the red and black from the n11 fan plug run into a silver box, photo attached, then back out and eventually into the battery area.
What is this box, could it be the route to the problem?
Sorry for the long post but i like to learn and you're a great teacher, creep creep
cheers
Neil