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Posted by Troll
- June 12, 2011, 11:10:27 AMSorry, mis-read what you were trying to do. The computer has no part in this circuit. The fan is a separate system. I would trace the wiring up to the fan relay ans connect there, since the plug on the bottom of the radiator is exposed to lots of road crud and water. Behind the right side cover is a much more friendly environment for a tap in connector. The last thing you want to do is open the weatherproof insulation down where elements can start a corrosion process.
Posted by Troll
- June 12, 2011, 11:03:03 AMMy fan hardly ever comes on. We had 100+ deg temps here, last week and it only came on once while I was sitting at a light. In answer to the other post... don't tap into the single pole switch, it's the temp sensor for the computer. I know it works, cause it does come on, but not a lot. 212 Deg. F takes awhile to get to.
Posted by tmassey
- June 12, 2011, 09:55:54 AMtroll,
does your fan kick on alot ?
terry
Posted by tmassey
- June 12, 2011, 09:53:12 AMthe fan sensor is the larger one ( the 2 pole ) on the right side and the coolant sensor is single on the left.....so i can t-tap both on the fan sensor and add a switch...the ecm will be ok with that ?
terry
Posted by Troll
- June 12, 2011, 08:56:27 AMThe fan switch is a simple 2 pole that is located in the bottom of the radiator. all you need do is jump across the two wires to tun on the coolant fan. According to the service manual, the fan doesn't come on until 100 Deg. C, or 212 F.
Posted by tmassey
- June 11, 2011, 21:06:18 PMis there an easy way to jump the sensor to make an over ride switch for the fan....everything seems fine but i'm paranoid about electric fans....it was easy on my cavalcade.....it came on fine last year but i haven't heard this year yet...then again..haven't been out alot either.
terry