LHD220Turbo

iTrader: (4)

afternoon all;

i'm going to order on of those new fan switches for Stu, so i might a well rewire the circuit while i'm there as i heard the standard set up is shite

anyone done this that can tell me exactly whats invloved? what relay to use and better still if someone has a diagram......

Cheers, Matt

pete mcrash

iTrader: (1)

..........mines rewired to a switch in the car.......so i turn it on and off......

LHD220Turbo

iTrader: (4)

yeah i know a few have done this, but shouldnt have too with Stu's new sensor/switch installed....plus dont want to have to rely on me having to do it! (probably forget!)

tabetha

As said forget once and engine rebuild time.
You just need a std SPST relay, single pole single throw relay, it will have 30/85/86/87 marked on it.
Wiring is easy 30 to battery(through fuse/25amp)
87 to fans(LIVE), other side of fans to earth
85 to earth
86 to switch(fan switch/LIVE) so live one side of fan switch and other side is output to 86.
tabetha

safcdixon

I Tryed This A While Ago On My Rs And Set Fire To The Steering Cowling Lol Put It Back To Std Haha

LHD220Turbo

iTrader: (4)

cheers Chris, obviously i'll be replacing all the wiring, but what cable did you use? and where did you mount the relay?

LHD220Turbo

iTrader: (4)

anybody else?

Mark_

mine still works off the temp sensor but i also have an over-ride switch so i can bring it on earlier if i want

Fiecos Dan

30amp wiring, (3.0 - 3.5mm2)


Best to fit relay in the car, so dont get wet.

tabetha

Mt relay is mounted on the nearside winf area near the bettery as it gets nice and hot there so deters moisture.
Use either 28/030 or 32/020 thinwall wire, for fan supply in/out through relay, others can be just 14/030 as no real amount current.
tabetha

LHD220Turbo

iTrader: (4)

cheers all

Fiecos Dan

Fit anything less than 30amp wiring, and the fan's wont run @ full speed.

tabetha

Crap.
tabetha

Fiecos Dan

You do like to argue, Why's that???

its one of those saying, cant teach a old dog anything they dont want to know, if they are stuck in there ways.


OK, To anyone else reading this,
do a test, fit a 2.0mm wire to the battery +, then 3.0mm wire to the battery, and do a back to back test, putting the wire to the fans...
You will notice the difference in the fan speed.

B19LRW

http://www.csgnetwork.com/voltagedropcalc.html

hopfully this should help.

SS1

iTrader: (3)

mines on the aircon switch

as i have none ..just push it in job done

the mod was done by stu@msd. very handy it is too

in standing traffic in the summer time