What is a powerstroke PCM relay?

Answer by  jmowreader (61)

PCM means Powertrain Control Module. It has several relays. The PCM relay runs the glow plugs, Check the grounds first.

Answer by  69nova (389)

The powerstroke PCM relay is a keyed switch that feeds power to the powertrain control module(PCM). It will be energized with the ignition switch being turned on.

Answer by  Zaka (2315)

Acronyms make me nervous. If I had to guess I would say Porcelain Candy from Manitoba. That's probably not the right answer though.

Answer by  pardhan (92)

The powerstroke in PCM relay allows you to choose a specific gear in which one could drive in, also the cylinder level strokes change.