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I am going to hook up daul LS1 electric fans in my 89 suburban. I have the fans and a dual variable speed controller from Flex a lite. I have gone over the instructions but it does not say what relay to use or size of fuse. Which would be better to use relay or fuse? I do not know what relay is used for the camaro LS1, thanks
Use a relay, any standard type relay should work...What is the amperage requirement for your fans????? Without a relay you would have to run heavy gauge wires from the switch to the power and to the fan, and separate fuses for each fan. A relay or two would be a much better plan, and a lot less chance of electrical problems and/or an electrical fire!!!!
A search here will answer most electrical questions.
http://www.madelectrical.com/index.shtml
Pat
Heres a couple pics of my set up. I have 1 30 amp fuse on the main pos wire. Now, I would like the controller on the bottom of the shroud out of site so all wires and controller would not be visible. Since this is a daily driver I put it where I could access it easily but dont like the looks of it.
Leave it on the top, it won't be subject to as much grit and grime. The www.the12volt.com/ is another good source.