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Climate Control (Electronic Version)

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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fred2000orland
Posts: 2
Joined: 9 January 2022
Year and Model: 1999 V70 Estate
Location: Cumbria

Climate Control (Electronic Version)

Post by fred2000orland »

On my 1999 V70 every time i switch the ignition to position 2 fuse 31 blows. With the fan and resistor disconnected the climate controls all function OK along with the mode control motor and the recirculation motor. I have removed the heater fan and it functions fine with a direct 12V supply, no bearing play etc. Has any body got any ideas. Is it the resistor? If so does anyone know the value for checking across the terminals with a Fluke?
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fred2000orland
Posts: 2
Joined: 9 January 2022
Year and Model: 1999 V70 Estate
Location: Cumbria

Post by fred2000orland »

On my 1999 V70 every time i switch the ignition to position 2 fuse 31 blows. With the fan and resistor disconnected the climate controls all function OK along with the mode control motor and the recirculation motor. I have removed the heater fan and it functions fine with a direct 12V supply, no bearing play etc. Has any body got any ideas. Is it the resistor? If so does anyone know the value for checking across the terminals with a Fluke?
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