Asa result of the lack of electrical current, there will be no combustion. 2. How To Tell If A Relay Is Bad - Dim Lights. You will be unable to drive in the dark if the relay for your headlights fails. It is possible that the headlights will not work at all or will be too dim to see in the dark. 3.

FuseRelay Location Fuse Amp Rating Power Distribution Box Description 1 20A * Power Point 2 30A* Powertrain Control Module 3 30A* Main Light Switch, Headlamp Relay, Multifunction Switch 4— Not Used 5 20A* Trailer Tow Backup/Park Lamps 6 15A5 Main Light Switch, Park Lamp Relay 7 20A* Horn 8 15A* Power Door Locks, CSM, Lock Relays 9 15A* Daytime Running Lamps (DRL), Fog Lamps 10 20A* Fuel
CHANGEFUEL FILTER AND CHECK FUEL PRESSURE.SOUND LIKE FUEL PUMP FAILING OR FUEL PUMP RELAY BAD. Read full answer. Mar 30, 2011 • Dodge Dakota Cars & Trucks. 1 helpful. 2 answers. My truck is having a hard time starting but eventually it would start. I changed all spark plugs an what is the next step.
180000 MILES. Our van was running fine we shut it of and went back to start it a hour later and wont fire. Turn over like a top acts like it wants to but doesnt. Has no codes, great spark, good fuss and relay. We can get it to run if we pour gas down the throttle body. There doesnt seem to be a way to check pressure without buying a $200+ tool
Therelay should have 4 pins on it. They are usually labeled 30, 85, 86, and 87. Steps: 1. Wire pin 85 of the relay to the 12v supply wire from the stock ECU that you just cut. This 12v wire will now energize the relay to turn on. So now instead of the stock ecu energizing the fuel pump, it will energize this relay. 2.

Fuelinjector relay: F06: 10: EAC sensor E-box fan Exhaust flap Fuel tank leakage diagnostic module Junction box Secondary air injection mass airflow sensor: F07: 40: Valvetronic (WT) relay: F09: 30: Electric coolant pump: F010: 5: Crankcase breather heating relay: A6000 Engine control module (ECM) K6300 DME main relay: K6319 Valvetronic (WT

when a fuel pump relay is bad

Whenyou put jumper between Fp and B+, you bypassed the fuel pump relay, so even if the circuit opening relay is bad the pump should work. If it does not, use 12 volt cordless drill (such as DeWalt or equivalent, 9 volt will work as well) for the further testing: 1. Remove battery pack from the drill and identify polarity on its connections (using cheap analog voltmeter) 2.

Thefuel pump relay has 12v at two contacts, when key is on, yes the PCM grounds the relay to send 12v to the inertia switch which passes the 12v to the fuel pump. A loose or bad ground at the PCM could cause the relay not to operate.
Youcould have a bad fuel pump relay switch. The fuel pump relay switch gets the fuel pump running in the vehicle during the start cycle. The terms fuel pump relay and fuel pump relay switch are used interchangeably. The fuel pump relay begins its job when the automobile operator turns to the ignition on, but before the motor is actually running. .
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