Some type of electrical problem i am sure. When you turn the switch over to crank it, it will not start. Every once in a while it will start. The whole problem started when the door locks and windows went crazy and the doors started locking and locking on their own, and the windows rolling up and down on their own.I have checked the ignition switch and it checked out good . I can't find the starter relay, it would be great help if anyone could tell me the number on the relay. If anyone has experienced this problem please help. I will take any advice or solution. I am trying to repair it on my own, since the prices at the dealers are to expensive.
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Identify Components: Before starting, make sure you have the ignition switch and necessary wiring harness.
Disconnect Battery: Ensure the battery is disconnected to prevent any electrical accidents.
Locate Ignition Switch Wiring Diagram: Obtain a wiring diagram for the ignition switch and the Caterpillar 3116 engine. This will help you identify the correct wires to connect.
Mount Ignition Switch: Mount the ignition switch in a convenient and secure location within the vehicle.
Connect Wires: Using the wiring diagram, connect the wires from the ignition switch to the corresponding terminals on the Caterpillar 3116 engine. Typically, the ignition switch will have terminals labeled for various functions such as ignition, accessory, starter, and battery.
Test Connections: Once the wiring is completed, double-check all connections to ensure they are secure and correctly wired.
Reconnect Battery: Reconnect the vehicle's battery.
Test Ignition: Turn the ignition switch to the "ON" position and verify that electrical components such as lights, gauges, and accessories are functioning properly.
Start Engine: Attempt to start the engine and ensure that the starter engages and the engine cranks properly.
Final Checks: After successful installation, perform a final check of all connections and ensure that there are no loose wires or potential electrical hazards.
hello David
althoiugh the starter relay switch maybe the cause ,but other factors such as the malfunctioning ignition switch,the wiring and connections, and the condition of the battery cables can lead to the above problem
yes your fuel pump can go suddenly w/ no warning. check your fuses in fuse box and fuel pump relay under the hood. look at owners manual to see where electric fuel shut off switch is to make sure that did not trip and needs to be reset. could possibly be plugged fuel filter but likley its the pump.
it sounds like the starter is bad but first run a pair of jumper cables from the battery to the starter and the other jumper on the ground side just to make sure you don't have a bad cable larger parts stores can test it off the car if you bring it to them
check the main fuse under the hood and make sure the truck is in park don't go by the shifter craw under the truck and pop the shift cable off and make sure your in park
make sure some one is helping you once you know your in park try to take the key out of switch and cranking it
First, turn just the ignition switch to ON. You should hear the electric fuel pump run for a few seconds. If not, start tracing the fuel pump circuits.
If the fuel pump runs, check the fuel pressure to be sure it is correct.
Next look to be sure you are getting spark.
ON A MANUAL TRANSAXLE VEHICLE,THERE IS NO TCM ON THE VEHICLE..THE TCM IS FOR AUTOMATIC TRANSAXLES ONLY..YOU SHOULD HAVE BATTERY POWER ON YELLOW WIRE OF CLUTCH INTERLOCK SWITCH WHEN TURN IGNITION TO START(CRANK) MODE..THIS SHOULD SEND POWER TO COIL SIDE OF STARTER RELAY..PCM GROUNDS RELAY COIL AND ENERGIZES RELAY AND STARTER IS ENGAGED..YOU MAY JUST HAVE A FAULTY IGNITION SWITCH..I HOPE THIS HELPS..LET ME KNOW IF YOU NEED MORE INFORMATION
A definition: cranking is what happens when you turn the key, the starter engages and turns the engine. (term comes from when that was done with a crank that you stuck into the front of the engine to start it, before electric starters were invented) Turning over is the same as cranking. Starting is when the engine actually starts, even if for a brief moment. Now...if the engine turns when you turn the key it is cranking. Was it doing that? If not, the problem is either in the battery, starter/starter relay or security system (sometimes) or the ignition switch. If it is turning and not starting, then the engine needs to be checked to make sure it has spark at the plugs, and fuel going into it. These problems are different ans some can be easily solved.
starter and battery and associated cables are good suspects...if you're not able to do tests....one quick helper here...if you turn headlights on while cranking and see them dim greatly while cranking indicates weak battery and/or over hungry starter
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