Gm pmd driver

PMD (Pump Mounted Driver) Buy PMD for GM Diesel, or. Buy a DS4 Injection Pump for The pump mounted driver gets fused 12 volt power when the key is on. The PCM then sends a signal to the PMD to close the fuel control solenoid. When the fuel control solenoid closes it sends a signal back to the PMD and that is relayed to the PCM.  · This is the classic symptom of a failing Fuel Solenoid Driver (FSD) also known as a Pump Mounted Driver (PMD). This is an electronic switch that controls the fuel flow on a Stanadyne DS-4 electronic injection pump. Electronic injection pumps are used on all Hummers with the GM turbo diesel between and The PMD is mounted to the driver side of the Stanadyne DS-4 injection pump centered in the valley at the front of the engine. It is extremely hard to reach on a van engine - and one can still however use a long THIN screw driver to side in and unlock the cable clip and then fish it out with a coat hanger bent with a small hook on the end.

Stanadyne is the maker of the GM L injection pump and has come out with an updated version of the PMD. Stanadyne has introduced their new gray or grey colored DS Pump Mounted Driver to address reliability issues with the original "Black" PMD. Stanadyne has incorporated a series of new features for added durability and reliability. The GM Diesel PMD/FSD fior the Stanadyne DS-4 Injection Pump is a signal intensifier - the engine PCM sends a signal to the PMD which is then amplified by a pair of Watt transistors as Pulse Width Modulation to control the fuel solenoid opening amount. This amplified signal then acts as a driver for the fuel solenoid. This is the classic symptom of a failing Fuel Solenoid Driver (FSD) also known as a Pump Mounted Driver (PMD). This is an electronic switch that controls the fuel flow on a Stanadyne DS-4 electronic injection pump. Electronic injection pumps are used on all Hummers with the GM turbo diesel between and

BD-Power Pump Mounted Driver (PMD) Relocation Bracket GM L Turbo Diesel · Write a Review · Description · Specifications · @QUICK_TRICKS ON INSTAGRAM. D Tech Pump Mounted Driver (PMD) - GM Diesel OEM # - DT, is now available at Thoroughbred Diesel. A Pump Mounted Driver (PMD) is the black box on the side of the injection pump on L diesels in GM vehicles. The PMD has been a major problem for Chevy / GMC.