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C4 - DS4 Owners :: Forums :: C4 2011 (B7) DS4 and DS4 CROSSBACK :: Problems and issues
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F1/F2 fuses in BPGA
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Author Post
eg016455   
Thu Aug 22 2024, 10:18pm
Member No: #62338
Joined: Aug 22 2024
Location: UK
 Hi, Struggling to find a fuse diagram for the BPGA unit on a C4 B7 1.6 petrol.

I have been having issues with the battery discharging for quite a time and decided to try and fix it. Through some multimeter work and trial and error it seems to be one of the two red cables that is the culprit that go in to F1 and F2 fuses of the BPGA (Supplies protection unit) on top of the battery. The only item I can see not working with the offending cable removed is the stereo and there are no extra errors on the dash. I say F1 and F2 as the cables are identical and may have been switched around accidentally when the unit was swapped out last year.

Does anyone know what these two fuses power within the car apart from the stereo? Would really like to solve before I sell the car in the next few weeks.


Many thanks
eg016455   
Sun Aug 25 2024, 04:01am
Member No: #62338
Joined: Aug 22 2024
Location: UK
 Anyone?
Ap0qalypto   
Sun Aug 25 2024, 05:48am
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 Check here

- Click Here -
eg016455   
Sun Aug 25 2024, 06:42am
Member No: #62338
Joined: Aug 22 2024
Location: UK
 That doesn't show the BPGA (Supplies protection unit), just the under bonnet fuse box.
Ap0qalypto   
Sun Aug 25 2024, 12:02pm
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 I can just say its not normal that you have a battery drain, other than a normal standby amount. If you have added something aftermarket, check if that is draining battery. You should receive warning on the dashboard if BPGA was faulty
eg016455   
Sun Aug 25 2024, 12:48pm
Member No: #62338
Joined: Aug 22 2024
Location: UK
 The BPGA isn't faulty, neither is there anything after market. Theres a fault on either F1 or F2 that runs in to the BPGA unit so I need to work out what is on those two cables.
 

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