2003 Citroen Xsara Picasso - Fuse keeps blowing

Xsara Picasso 1.6 Problem
The Problem

Fuse keeps blowing
Dec 1, 2018 (1 year ago)
Hi there,
Recently bought the above mentioned car and after a few miles ride to home the lighter stopped working. Alongside with the inner lights, the middle one turns on when I open the door or use the remote to unlock them. Figured I have blown fuse and I was right the F22 socket 20A fuse gone. I replaced it and idled the car for a while( was waiting for someone and it was cold) . It was all good untill I went home and got out again. Started the car and it didn't charge my phone nor the lights turned on. I have replaced the fuse again and as I started the car it instantly blown.... I tried it 5 times thinking the fuses were bad out of factory or something but I think I tried it enough times to be bad fuses...yes they are same amperage.

Car: Citroen Xsara Picasso
Variant: 1.6
Year: 2003
Category: Electrics, ECU, Warnings & Lights
More: Citroen Xsara Picasso Problems
Fixes: 12,189
Dec 1, 2018 (1 year ago)
If it's happening after door has been opened , check for broken wiring shorting where it passes through into the door frame .
Fixes: 1,862
Dec 1, 2018 (1 year ago)
This is most likely a short circuit on the live to ground.
Could be a faulty lighter socket or other wiring.
Try unplugging the socket.
if this doesn't help then it's find the short in the wiring harness,
or call in an auto spark.
Fixes: 12,189
Dec 1, 2018 (1 year ago)
This is for a 2.0 hdi but might apply .

haynes page 12.16 shows the lighter and rear socket.

there are 4 fuses.

Engine fuse box. MF8 70A

F32 10A

interior fuse box F3 5A
F5 10A.

The fuse F3 is the one directly in the lighter line.
F5 is for the rear power skt.

MF8 if that blows then both will be dead along with many other items

F32 powers a speed sensor which then powers the BIS computer and then onto the lighter.

very complicated but I'd go for F3 first. there again is it the actual heater coil in the lighter that's not working or is an accessory power plug. Sometimes these have a red ring on them that prevents full insertion into the socket so they don't make contact.
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