p38 4.6 hse indicator probs please help

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rob112

New Member
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5
Location
sale cheshire
can anyone help please my front indicator (turn) is on all the time it has picked a feed up from somewhere the back and side are ok anyone had the same problems think it could be the body control unit hope its not ( put this first in the wrong place sorry what a igit lol :eek: )
 
I have read something about this, each indicator is powered by a mosfet (power transistor) in the BECM if the mosfet which supplies an indicator fails it can leave the indicator with a 10volt supply when it should be off. If this is the problem individual mosfets can be replaced if you feel confident enough to unsolder them and resolder. As with any electronic device you need to be careful of static damaging sensitive components.
http://www.rangerovers.net/repairdetails/becm/index.html has info about the BECM
 
badger said:
I have read something about this, each indicator is powered by a mosfet (power transistor) in the BECM if the mosfet which supplies an indicator fails it can leave the indicator with a 10volt supply when it should be off. If this is the problem individual mosfets can be replaced if you feel confident enough to unsolder them and resolder. As with any electronic device you need to be careful of static damaging sensitive components.
http://www.rangerovers.net/repairdetails/becm/index.html has info about the BECM
will check this out sounded like this to me but had to try the cheeper things first and see if anyone else had athe same problem. ill have a go at soldering after all if it is the becm and it wants a new one its a new unit anyway . got a quote of £900 @ range rover lol also just been looking will try a new fuse box first looks a bit cracked under the relays cant do any harm possible cause will follow up as i go thanks
 
as its only one indicator i suppose you've tried taking the actual light unit itself apart? before touching the nasty stuff take the light itself apart, check everythings ok, fit bulb in tightly, spray connectors with wd-40 etc

i had a "BULB FAILURE" warning which was solved by this...

check all the simple stuff first, its worth a go but badgers comment looks on the money
 
yes it had a new lamp about 3 mths ago old one fell out or got stolen it was on a services :confused: prob fell out on motorway but i will stick a meter on to see what voltage it is getting tomorrow (bet badger is rite about 10 volts) we will see lol also no fault bleeping at me if it is connected just lit up like a xmas tree (rite time of year)
 
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