I helped my 1990 Dodge Caravan through several northern Maine winters with the following: I purchased and engine heater that had a magnet attached to it with a handle. Plugs into 110 v drop cord. Just put it on the front of the engine, plug it and and close the hood. I would run the cord up through the bottom. On really windy cold nights, I would put a blanket on top of the engine with the magnet heater attached and close the hood.
These two together worked great. Magnet heater was about $30 and I could switch it from one vehicle to another. John P. Cook
In most cases a block heater replaces one of t he freeze plugs in the engine
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The 1990 dodge caravan has a transverse mounted engine therefore it doesn't have a fan belt!
if you see no plug than it has neither one you have to pop out the frost plug and put in a block heater
The Dodge Caravan heater was invented in 1984 by the Dodge and Mopar companies. Since it's creation it has evolved into a much bigger and popular van.
Because it is an Dodge. GET A CHEVY
Replace heater motor resistor.
The heater would not be working on a 1990 Dodge Grand Caravan if the heater core is damaged or blocked. Hot coolant from the engine must flow through the core to allow hot air to pass into the cabin.
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