Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Tests KA: Fuel Pump Relay

NOTE
This Pinpoint Test is intended to diagnose the following:
- Fuel pump relay
- Inertia fuel shutoff (IFS) switch
- Harness circuits: B+, VPWR, FP LFP, GND, FPM and FP PWR
- Powertrain Control Module (PCM)

Pinpoint Test Schematics and Connectors

Town Car, Excursion (Fuel Pump Relay):

Ranger, Explorer/Mountaineer, Windstar (Fuel Pump Relay):

Crown Victoria/Grand Marquis, E-Series, Expedition/Navigator, F-Series, (Except 5.4L SC Lightning) (Fuel Pump Relay):

5.4L (2V) SC F-150 Lightning (Fuel Pump Relay/Inertia Fuel Shutoff Switch Relay, Low Speed Fuel Pump Relay):

Pinpoint Tests