Hi Paul,
Sounds like you have already done all the obvious things but here is my two
pennies worth:-
Dim Dip Earth: I had that problem with my Beauford when I connected up the
driving lights that come on with full beam. Initially I earthed each of
these lamps directly to the chassis but that totally screwed up the lighting
circuit with only one light coming on and the dim dip relay whirring etc.
As nothing else had been changed it had to be the earth. I took this back
to the main harness as per the original wiring and all was fine as the dim
dip interrupts the earthing and runs the dip beams in series.
Your volts checks should have been made with the lights on. Have you
actually measured the volts at the negative side of the bulbs relative to
the battery negative terminal? - This can be quite interesting even if there
is no apparent volts drop to the chassis! Probably already done.
Bulbs: You say that you have checked the bulbs - is this by swapping from
side to side or separately across the battery? I have had bulb Problems on
my H4 driving lamps that always come down to the contacts on the bulbs -
extended lucar terminals in this case. I removed one for example but forgot
to throw it away and a year later it worked perfectly after vigorous
cleaning. At other times the relay terminals needed to be persuaded to
change.
Reflectors: Just a thought, following the bulb swap thing, if the
reflectors are at different levels of silvering, this makes a lot of
difference. You would have seen that anyway. I also had that problem on
the Beauford with the rear fog lamps. The examiner told me at the first test
that what was in fact a complete new lamp and bulb was not as bright as the
other side, which was second hand and into which I had moulded a cooking
foil reflector. The volts on each lamp were identical. Out of cussedness I
swapped the bulbs and put a new cooking foil reflector in the new lamp and
whilst I was told that it was still dim it passed!!!!!!
Good Luck,
Hamish
--------------------------------------------------
From: "Paul" <[email protected]>
Sent: Tuesday, March 29, 2011 10:26 AM
To: "Quantum Owners Group" <[email protected]>
Subject: [Quantum Owners] Earth fault
Hi there can any one give me some ideas
It is the wifes Mini ( proper mini not BMW). The car been have battery
trouble for most of its life from information for the last owner and
trouble we have had when it is stood up for a while. The car has been
off the road for some months due to welding, which is all sorted now.
But when i charged the battery up and connected it all together
various items did not work, well after much checking with the meter i
now have all items except the fog light working (not a fuse problem as
other items on the circuit are working, lamp also OK), but the off
side front head and side light is dim while the near side is full
brightness. I have been round and checked and cleaned all the earth
points i can find and checked continuity is ok from the lights, engine
and colum stalks. For some time the red igntion light comes on but
this seems to better since changing the altinator. Is there some
system or logic i should follow to try and fix this this?
Thanks in advance.
Paul
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