L

LMdefender90td5

New Member
HELP
I have a defender 90 td5 1999 county
Just had a fuel pump fitted by my local garage
When I start it up temp gauge showing half way
Then we I put my side lights on it goes up to 3/4
Then main beam just under red hot
Then full beam it's over boiling
This also knocks radio off and dims all lights on clocks
Fuel gauge also goes to empty then back to full (tank is full)
Clock light dies
Any advice is much appreciated
Cheers
 
That doesn't sound quite like a fuel pump problem to me. That sounds like a wiring problem in the steering column switchgear or behind the dash. Possibly, but not definitely to do with poor earthing. Maybe some of the juice from the lights is finding its way back to earth through the temperature gauge, radio and dash lights for example, making them dim or read inaccurately. Did the garage do any work on anything other than the fuel pump? It may just be co-incidence that it has happened around about the same time, but something could have been disturbed.
 
fuel pump crank sensor fan and viscous assembly
and service, they ran all kinds of electrical checks because I broke down a fuel weeks ago, it was fine when it went in, only had it back 1 day shall I just take it back? Is it something they have disturbed?
 
Yep, take it back. Sounds like they've been fiddling about with the wiring.
 
I wouldn't "point" them towards anything, that might cause them to narrow their faultfinding activities. You know the kind of thing "You asked us to check the main earth. We did that and it's OK. That'll be 150 quid".

But the fault is still there.

Just go through the list of symptoms and let them work it for themselves.
 
It may not be that bad - if they're a small local business and you're a regular customer they'll probably want to sort it out. I'm sure they wouldn't want their regulars spreading stories about poor service about the neighbourhood.
 
LMdefender90td5 said:
Would you advise not driving her over the weekend or wouldn't it be an issue?
Click to expand...

Probably not a brilliant idea to use it a lot. After all, every time the lights go on, it sounds like electricity is going where it shouldn't. If headlight circuit current is trying to force its way through the tiny little wires that serve your instrument lights it won't be too long before you can smell burning.
 
Regular customer ,normally very helpful always look after me and my family too , do you think I should keep driving to a minimum or just use as normal?
 
It sounds like they've left an earth off somewhere you could try running a jump lead from a nice clean point on the engine directly to the battery (sometimes you can get a back feed down an accelerator or speedo cable) if that makes no difference try putting it on a nice clean earth point on the body straight to the battery
 
I have a disconnected cable in the front off side behind the light cluster , it's has the a black clip on the end carnt see where it connects to, sorry for not giving much of an idea but any idea but where could it go?
 
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