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Old 10-16-2019, 08:09 AM   #13 (permalink)
redneck
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Join Date: Jun 2009
Location: SC Lowcountry
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Geo XL1 - '94 Geo Metro
Team Metro
Boat tails and more mods
90 day: 72.22 mpg (US)

Big, Bad & Flat - '01 Dodge Ram 3500 SLT
Team Cummins
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.

Easy peasy...

Wire the coolant pump via a relay into the oil pressure idiot light circuit. Idiot light on - coolant pump on - idiot light off - coolant pump off.

Should work perfectly with the EOC (engine off coasting) technique.




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