Spal fan install help
Joined: Nov 2005
Posts: 2,677
Likes: 9
AA & BB are just reference call-outs in the drawing used to specify the cable length.
SPAL just emailed back and wrote:
If my first diagram above does not work that means they have a diode in the relay. If so, you need to swap the Orange and Wires (so Orange to Blue/Black on OEM harness and Gray to chassis/gnd)
SPAL just emailed back and wrote:
I have never tested the relay on these kits to reverse the wires so technically you might be correct and I am not sure if there is a diode in this relay. The question I must ask is why does it matter? You can ground the gray wire and trigger the orange wire with a positive trigger if that is what you are trying to do. Please provide us with more details on how you want to wire the fans.
Thread Starter
Joined: May 2010
Posts: 996
Likes: 5
Originally Posted by 99SH
AA & BB are just reference call-outs in the drawing used to specify the cable length. SPAL just emailed back and wrote: If my first diagram above does not work that means they have a diode in the relay. If so, you need to swap the Orange and Wires (so Orange to Blue/Black on OEM harness and Gray to chassis/gnd)
Joined: Nov 2005
Posts: 2,677
Likes: 9
Something may not making contact.
Try to verify the functionality of the relay. Connect the Orange wire to +12V Battery and Gray wire to Battery Negative. Does the big SPAL relay click? If not, flip Orange to negative and Gray to +12V, does it click?
Try to verify the functionality of the relay. Connect the Orange wire to +12V Battery and Gray wire to Battery Negative. Does the big SPAL relay click? If not, flip Orange to negative and Gray to +12V, does it click?