Dodge Ram Truck Models & Years Covered in Each of the above Service Manuals:
2001 Dodge Ram 1500, 2500 & 3500 Service Manual for: 3.9 L 6 cyl. MPI Gasoline (5.9L), 5.2 L 8 cyl. MPI Gasoline (5.2L), 5.2 L 8 cyl. (CNG) (5.2L), 5.9 L 8 cyl. MPI Gasoline, 5.9 L 8 cyl. MPI Gasoline (Heavy Duty) (5.9L), 5.9 L 6 cyl. Turbo Diesel (5.9L), 8.0 L 10 cyl. MPI Gasoline (8.0L) Models.
2002 Dodge Ram 1500, 2500 & 3500 Service Manual for: 3.7L 6 cyl. MPI Gasoline 3.7 L, 4.7L 8 cyl. MPI Gasoline 4.7 L, 5.7L 8 cyl. SMPI Gasoline 5.7 L, 5.9L 6 cyl. Turbo Diesel 5.9 L
5.9L 6 cyl. Turbo Diesel High Output 5.9 L, 8.0L 10 cyl. MPI Gasoline 8.0 L, 5.9L 8 cyl. SMPI Gasoline Light Duty 5.9 L Models
2003 Dodge Ram 1500, 2500 & 3500 Service : 3.7L 6 cyl. MPI Gasoline, 4.7L 8 cyl. MPI Gasoline, 5.7L 8 cyl. SMPI Gasoline, 5.9L 6 cyl. Turbo Diesel, 5.9L 6 cyl. Turbo Diesel High Output, 8.0L 10 cyl. MPI Gasoline, 5.9L 8 cyl. SMPI Gasoline Light Duty Models.
2004 Dodge Ram 1500, 2500 & 3500 Service : 3.7L 6 cyl. MPI Gasoline, 4.7L 8 cyl. MPI Gasoline, 5.7L 8 cyl. SMPI Gasoline, 5.9L 6 cyl. Turbo Diesel, 5.9L 6 cyl. Turbo Diesel High Output, 8.0L 10 cyl. MPI Gasoline, 5.9L 8 cyl. SMPI Gasoline Light Duty Models.
2005 Dodge Ram Service Manual Application: 2005 Ram 1500 2500 3500 3.7L 6 cyl. MPI Gasoline, 4.7L 8 cyl. MPI Gasoline, 5.7L 8 cyl. SMPI Gasoline, 5.9L 6 cyl. Turbo Diesel 24v, 5.9L 6 cyl. Turbo Diesel High Output Trucks.
2006 Dodge Ram Service Manual Application: 2006 Ram 1500 2500 3500 3.7L 6 cyl. MPI Gasoline, 4.7L 8 cyl. MPI Gasoline, 4.7L 8 cyl. Flex Fuel, 5.7L 8 cyl. SMPI Gasoline, 5.9L 6 cyl. Turbo Diesel High Output, 8.3L 10 cyl. SFI Gasoline Trucks.
2007 Dodge Ram Service Manual Application: 2007 Ram 1500 2500 3500 3.7L 6 cyl. MPI Gasoline, 4.7L 8 cyl. MPI Gasoline, 4.7L 8 cyl. Flex Fuel, 5.7L 8 cyl. SMPI Gasoline, 5.9L 6 cyl. Turbo Diesel High Output, 8.3L 10 cyl. SFI Gasoline Trucks.
2008 Dodge Ram Service Manual Application: 2008 Ram 1500 2500 3500 3.7L 6 cyl. MPI Gasoline, 4.7L 8 cyl. MPI Gasoline, 4.7L 8 cyl. Flex Fuel, 5.7L 8 cyl. SMPI Gasoline, 5.9L 6 cyl. Turbo Diesel High Output, 8.3L 10 cyl. SFI Gasoline Trucks.
For the complete service procedures including picture illustrations see links at the top of the page for exact year and model of your truck, Fuel Pump Relay service procedures differ for year and model dodge ram truck.
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FUEL PUMP RELAY
DESCRIPTION
The 5–pin, 12–volt, fuel pump relay is located in
the Power Distribution Center (PDC). Refer to the
label on the PDC cover for relay location.
OPERATION
The Powertrain Control Module (PCM) energizes
the electric fuel pump through the fuel pump relay.
The fuel pump relay is energized by first applying
battery voltage to it when the ignition key is turned
ON, and then applying a ground signal to the relay
from the PCM.
Whenever the ignition key is turned ON, the electric
fuel pump will operate. But, the PCM will shutdown
the ground circuit to the fuel pump relay in
approximately 1–3 seconds unless the engine is operating
or the starter motor is engaged.
REMOVAL
The fuel pump relay is located in the Power Distribution
Center (PDC) (Fig. 19). Refer to label on PDC
cover for relay location.
(1) Remove PDC cover.
(2) Remove relay from.
(3) Check condition of relay terminals and PDC
connector terminals for damage or corrosion. Repair
if necessary before installing relay.
(4) Check for pin height (pin height should be the
same for all terminals within the PDC connector).
Repair if necessary before installing relay.
INSTALLATION
The fuel pump relay is located in the. Refer to label on PDC cover for
relay location.
(1) Install relay to PDC.
(2) Install cover to PDC.
1 - FUEL TANK 8 - LDP FRESH AIR FILTER
2 - CHECK VALVE 9 - LEAK DETECTION PUMP
3 - LIQUID EXPANSION CHAMBER 10 - EVAP CANISTERS (2)
4 - FUEL FILTER / FUEL PRESSURE REGULATOR 11 - FUEL TANK STRAPS (2)
5 - QUICK-CONNECT FITTING AND FUEL LINE (TO ENGINE) 12 - CHECK VALVE
6 - EVAP LINE CONNECTION 13 - FUEL PUMP MODULE LOCK RING
7 - LEAK DETECTION PUMP FRESH AIR LINE 14 - FUEL PUMP MODULE
