I hope you've fixed your problem, but....
The only earth wire from the starter is the great big black one from the
engine block/starter to the battery.
If that had a break in it i'd also expect you to have trouble with the
battery charging and the engine cutting out.
Also, the fan wouldn't normally be earthed to that point, though it is a
Quantum so it's possible somebody did.
If you have intermittent starting issues it's probably the starter wire
from the ignition switch that has the problem (Black with a Blue stripe
from memory), quite possibly it's the round push on fitting on the end
if it's original or a crimp connector if not.
The stud or tab on the starter is plated steel and rusts creating an
intermittent connection.
Also, 17 amp wire isn't really enough for the fan circuit, the fan is
fused with a 20 amp fuse.
I would use 27 to 30 amp (3mm squared) wire for the fan circuit
The fan should only be coming on in slow moving or stationary traffic,
if it's overheating while moving it's something else.
Sorry,
Jim
On 12/05/2016 16:12, Chris wrote:
My 1.6 saloon has been plagued by overheating problems for nearly a year.
The Thermostat was playing up – so I changed it.
The Fan switch was intermittent – see above.
The Head gasket blew – bugger.....see above.
The Fan switch plug disintegrated – ditto.
The Fan was notchy – you get the idea..........
After all that it STILL overheated alot.
Until I had a thought........
The Earth wire from the starter has a break in it (I know this), so
that sometimes when I turn the key nothing happens and I have to pop
the bonnet and wiggle the wire a bit, then try again.
The Fans Earth connects to the same wire......Hmmm
‘If the Earth wire is dodgy between the Fan and the Battery, that
would explain alot’
I now have a New 17 amp wire running from the Fan earth to the battery.
Yesterday, for the first time in a long time, it Didn’t overheat.
In fact, the needle didn’t even get halfway up the gauge!
I’m currently touching every piece of wood in the house, hoping that I
have now Finally fixed it........
Chris G
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