My 56 ford f100 will not run unless i hold the key in the start position. Some ford owners encounter a situation where the starter run continuously or keeps running even after the engine has started and even after theyve removed the key from the ignition.
Car Does Not Start Or Does Not Run Right After Crankshaft Position Sensor Replacement
Ford only runs with key in start position. If voltage is present locate and repair short. Does having the key in start bypass the mass air sensor or other sensor that kicks back in when key is released to run position. 99 cv 94 cv two 96 eb broncos rip. Im thinking 56 12 volt chevy was there in55 if you have your truck run only when in the crank position you need to check your wiring on the back of the switch it sounds like its connected. So when you are cranking the engine it feeds a pure 12 volts to the coil to fire the motor then when it gets started and you release the key from the start position the ignition terminal on the switch will continue to feed voltage to the coil to keep the motor running. Obviously this is a strain on the starter.
If no short detected continue with step 2. Run that wire and your problem is solved. I had the ignition switch changed still same problem just intermittent now maybe was intermittent before who knows. If it loses power when the key is released the ignition switch is bad. If it doesnt then you have a wiring issue that is very odd for sure. Or you may think you have a bad starter relay.
I meant for you to monitor the power on the redgreen stripe wire at the ignition switch to see if power shuts off on it when the key is released from the start position. By fordsfat1995 sun dec 26 2010 624 am. Ask your own ford question. I had a civic that had the exact same problem it would only run if you held the key in the start position or just a little less than the start position let it go to the on position and it would quit on me. Only runs with key in the start position. If it runs while you hold the key forward on the spring but the starter is not spinning then its a problem inside the steering column.
Steve go outside to one of your running trucks that is simular to this one remove the nut on the on the starter relay or the thing that looks like a fender mounted solenoid and put all the wires except the battery positive on the other side of the relay install the wires that way then try to start the vehicle. My 56 ford f100 will not run unless i hold the key in the start position. At first this may make you think the starter drive is binding. Click my tan cv in my signature read the captions in the steering column album. 550 in repairs same problem drat. 93 f150 only runs with key in start position.
Check terminal 2 at starter relay for voltage with key in run position move key from off to run with the engine off. I replaced the ignition switch and never had any more trouble.
Gallery of Ford Only Runs With Key In Start Position
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