all lights flashing?!

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just plugged in the voltmeter and it reads 13.9v turned everything electric on i could find and it stays at 13.9v. but now i have no Dash power at all and the HEVAC is working again. Range Rovers are a confusing species...
 
ive had this problem before,i found out in the end the wiring loom had corroded behind the lower drivers side kick panel and under drivers sill trim,chopped it all back to under dash and soldered in a new piece of loom with good plugs back to becm,sorted no more problems
 
ive had this problem before,i found out in the end the wiring loom had corroded behind the lower drivers side kick panel and under drivers sill trim,chopped it all back to under dash and soldered in a new piece of loom with good plugs back to becm,sorted no more problems

I can well believe that, I've seen water running down my drivers kick panel under heavy rain - hopefully sorted now after resealing rubber seal that sits under the pollen filter housing.
 
Alternators sending noise into the electrical system can usually be diagnosed by fully charging the battery, then disconnecting the alternator - if the car is fine then the alternator is the problem. Sometimes you can get what appears to be an acceptable charge voltage but there are thousands of voltage spikes you can't see without a good 'scope.

If a fully charged battery isn't holding at least 12.6 Volts then it's on the way out, measurement should be after the "float charge" has been removed i.e. the battery has been put under a small load for a short period after charging.
 
Found the problem! after searching for a while.
The Fuse (F1) under the seat had half burnt out leaving a tiny strip of metal causing an incorrect continuity reading and as it slowly burnt caused the dash lights to pulse less and less. All the Help is much appreciated! should i still be worried about the low voltage on my battery?
 
Glad you you found your 5p fix...but yes if your battery is weak it will cause you problems especially in the winter. If funds permit look at doing the alternator to if you're not getting the charge as mentioned previously.

Perhaps also search the forum for problems with battery drain (due RF receiver for Keyfob) to nip any problems in the bud and look after the new battery.
 
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i think the rf receiver has already been snipped as it doesn't work. was going to think about re-connecting it but if its an existing problem i'll leave it.

i'll go and do tests on the alt and more on the battery as they are both new so i'm thinking that its got an under powered battery on it. what's the best battery to have on a RR? i think mine is type 072 70AH 600A
 
For a petrol thats adequate I guess but look at Yuasa and Bosch Batteries and get the biggest and best you can fit.
 
I would suspect a dodgy earth causing a leakage somewhere....

Check the under seat fusbox for security too, as the flashing panel lights are fed from Fuse 1 and the interior lights (which some dash illumination lights and the HEVAC lights use) is Fuse 15(?)...check these for security....
Do I win a prize for (again) correctly diagnosing something??:p:D:D:D
 
I definitely owe you one! i just hope i can gain enough knowledge to start contributing back to the site. and again Thank you to everyone that contributed.
I'm sure i'll be starting a new thread up soon when the next problem rises :)
 
i think the rf receiver has already been snipped as it doesn't work. was going to think about re-connecting it but if its an existing problem i'll leave it.

i'll go and do tests on the alt and more on the battery as they are both new so i'm thinking that its got an under powered battery on it. what's the best battery to have on a RR? i think mine is type 072 70AH 600A


Battery Megastore, Alphaline 135AH 1000CCA about £98 delivered, 4 year warranty. No connection, just a satisfied user.:D
 
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