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2010 C4 Grand Picasso 1.6 HDi VTR+ heater blowers
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Author Post
Asen1987   
Sun Jan 16 2022, 04:44am
Member No: #59322
Joined: Jan 16 2022
Location: West Midlands
 Hi all, the heater blowers inside my car automatically come on when I start the car but won't go off when I use the control panel, the control panel will light up when I press each button but the blowers don't change, I have changed the relay resistor and motor all fuses look OK.
Does anyone have any ideas please

Cheers
Ap0qalypto   
Sun Jan 16 2022, 06:57am
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 Did you change AC control unit?
1 User said Thank You to Ap0qalypto for this Post :
 Asen1987 (16 Jan 2022 : 11:50)
Asen1987   
Sun Jan 16 2022, 11:47am
Member No: #59322
Joined: Jan 16 2022
Location: West Midlands
 is that the unit where you change the fan speed and turn on the a/c (stupid question)

Thanks
Ap0qalypto   
Sun Jan 16 2022, 12:52pm
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 Yes, that could be a cause. At least to find another one and test it
1 User said Thank You to Ap0qalypto for this Post :
 Asen1987 (17 Jan 2022 : 07:06)
Asen1987   
Mon Jan 17 2022, 07:07am
Member No: #59322
Joined: Jan 16 2022
Location: West Midlands
 Gi so I changed the control unit but not working also no lights are coming up on either unit
Ap0qalypto   
Mon Jan 17 2022, 07:46am
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 Fuse?
1 User said Thank You to Ap0qalypto for this Post :
 Asen1987 (17 Jan 2022 : 07:54)
Asen1987   
Mon Jan 17 2022, 07:54am
Member No: #59322
Joined: Jan 16 2022
Location: West Midlands
 Struggling to find out which fuse it is
Ap0qalypto   
Mon Jan 17 2022, 02:42pm
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
 Look the fusebox inside the car(BSI), fuse F37 is for A/C. replace it, it is a 10A fuse. Maybe there you have a spare one.
Asen1987   
Mon Jan 17 2022, 04:34pm
Member No: #59322
Joined: Jan 16 2022
Location: West Midlands
 Thank you very much will check in the morning
 

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