block heater or coolant heater?
#1
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Location: chicagoish
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Year: 99
Model: Cherokee
Engine: 4.0
block heater or coolant heater?
as i was putting a new air filter into my 1993 ranger xlt with the 2.3 i saw a strange cord runming into the bumper after following it i found out it was a block/coolant heater so i followed the cord the opposite way torwards the motor and i found that is it attached a a cylinder linked in to my coolant hoses so i plugged it in after about 30 minutes i stepped back outside to feel for a temp change anywhere on the cylinder it hadnt changed at all is there a way to test the heater? continuity or something?
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Location: Carson City
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Year: 96
Model: Cherokee
Engine: 4.0
How cold does it get there? Growing up in Colorado we used a block heater(mag type) and a coolant heater at the same time just to get the thing started. But that in -30 -40 temp. If it is a bad heater I'd just replace it with a now one. Last time I looked they are about $35 at napa auto.
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