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407 battery draining: shunt fuse circuit

8K views 9 replies 5 participants last post by  azree 
#1 ·
My 407 (2007) battery is draining fast (draining current = 0.7 -1 A). I changed the battery, didn't help. I have checked all the fuse and only one which stops draining is a shunt fuse in the fuse box under the steering wheel. What are connected to that circuit? What should I check next?
 
#6 ·
Battery Drain

Hi.... I had this problem with my 1.6 407, it turned out to be the glow plug relay sticking on, cost £80 inc fitting and diagnosis. I tried 3 different garages before finding fault. I had to take the battery lead off every time I park a real pia.

I took it to an electrical auto specialist... car concepts in Aylesbury.. Highly recommended, if your anywhere near bucks:thumb:
 
#9 ·
volt meter set on amp reading disconnect battery negative connect amp meter on negative lead and negative terminal don't open doors or any thing on the car after a few minutes the volt meter will go down as car shuts down . I tried a few fuses f4 fascia 1 glove box was the one but it also does the alarm. I then took fuse out of the back of rt3 in where large connector is 5 amp fuse put the f4 back in tried drain test again all shut down okay no drain on battery then it was just luck finding it was the control panel i tried changing bit by bit of rt3 as i didn't want to buy used one.
 
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