coolant fan wiring

npv · 26-06-11, 02:24 PM

right guys need a wee bit off help here am gnna wire a switch up too coolant fan so i have control off temprature,just wondering if any 1 knows how too wire it up properly,theres 2 wires going too the fan switch can i join a wire too the positive of that run it into the car too a switch can i run the earth too the switch or earth it sumwhere else,any1 know give me advice on how.

rich.r · 26-06-11, 02:49 PM

not sure what amp pull is on the fan so it may need a relay

im sure someone will be along to help out soon

missfire · 26-06-11, 04:32 PM

just take a wire from each so that the manual switch is wired in parallel with the fan switch. (i.e. either switch will close the circuit) ? fan/rad. switch will be on the 'low amp' side of the relay anyway..?

its an idea, might do it to mine..!

npv · 26-06-11, 05:42 PM

ok thanks for that.

26-06-11, 02:49 PM	#2
rich.r Senior Member Join Date: Jul 2010 Posts: 1,832	not sure what amp pull is on the fan so it may need a relay im sure someone will be along to help out soon

26-06-11, 04:32 PM	#3
missfire making wooden things Classic Audi Club Member Join Date: Dec 2009 Location: cow land Posts: 8,154	just take a wire from each so that the manual switch is wired in parallel with the fan switch. (i.e. either switch will close the circuit) ? fan/rad. switch will be on the 'low amp' side of the relay anyway..? its an idea, might do it to mine..!

26-06-11, 05:42 PM	#4
npv Grown up member Join Date: May 2010 Location: isle of lewis Posts: 649	ok thanks for that.