You may be refering to the glow plugs. They help the engine turn on.
how to build a diesel heater
There isn't one!!
in the fuel tank
a 4x4 extended cab diesel is about 6200pds without fuel
try asking this on www.thedieselstop.com lots of info from diesel owners. its a great site
In the 1997 Ford F-250 heavy duty with a diesel engine : In the power distribution box : Maxi fuse # 22 is a 30 amp fuse for the fuel line heater , the glow plug controller , and the powertrain control system relay coil
A ford focus does not have a diesel fuel filter. It runs on regular fuel. Preferably 87 octane
Do NOT use Diesel fuel in a Ford Focus. The engine will stop running and you will have to drain the gas tank to rid the car of the diesel fuel. Gasoline engines are not designed to run on diesel. They do not have enough compression to cause the diesel fuel to combust The only engine used in a 2000 Ford Focus was the 2.0 which is NOT a diesel engine.
there is no fuel pump reset switch on a ford diesel
Ford: 7.3 diesel fuel getting into the radiator
It should be on the side of the Fuel filter housing (facing turbo ) down low with a two wire plug
that was happening on my 99 f250sd 7.3 and it ended up being the fuel heater under the fuel filter was shorted out.