‘85 truck. 318. Friend’s truck. Will not start after running a little bit. Ballast resistor is real hot. Resistor looks new. Can a door prong resistor be used in order to trouble shoot?

‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500