FANC A12 WIRING

s300 and SManager software questions & answers
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PREDATOR1
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Joined: Sat Feb 05, 2022 7:43 pm

FANC A12 WIRING

Post by PREDATOR1 »

hello everyone,
i have a question about fanc.

my car did not had a stock fanc output, (no wire in A12)

currantly i have a wire going from pin A12 TO the green wire on the thermoswitch to activate the fan. is that ok?

or do i need a to wire separate relay.

thanks,
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Spunkster
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Posts: 23878
Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Re: FANC A12 WIRING

Post by Spunkster »

No it cannot be wired directly or it will burn out the output. It needs to go through a relay.
PREDATOR1
Posts: 2
Joined: Sat Feb 05, 2022 7:43 pm

Re: FANC A12 WIRING

Post by PREDATOR1 »

thanks for the reply. i have it wired like that for along time, and it works,
but i was told that i might need a relay,

do i need to wire the relay somehow to the thermoswitch too? or just from fanc to a relay and then to the fan?

thanks alot
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Spunkster
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Posts: 23878
Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Re: FANC A12 WIRING

Post by Spunkster »

The fan control should not go through the thermos switch. It needs to be wired through a relay to the fan. You should look at the factory service manual wiring for how it is done.
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