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Having a starting issue will not start everytime u turn the key over starter will not engage i have changed the ignition switch and the starter relay switch in fuse box underhood and starter isnt getting power everytime u turn the key only once in a while starter is good and battery is good
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At the starter relay, you have two red or purple wires, one goes to the starter and the other comes from a 30amp fuseable link. Is that fuseable link circuit hot ?
From the key switch, power goes thru the alarm relay, then the clutch safety switch or automatic selector switch, then to the starter relay. The fourth wire on the starter relay is a ground.
You should be able to put power to the starter relay on the white or yellow wire coming from the safety switch to make the relay engage.
My guess is something wrong with the alarm system.
The large red wire at the starter is to the battery. The smaller wire is hot in the start position only! have someone turn the key to start and then check for voltage. If you have voltage you need a starter. If there is no voltage you either have an open from the ignition switch or a bad switch on the column. 1 last thing. Most cars have a fusible link at the starter. If there is a short somewhere the wire acts like a fuse and blows. You can check that by pulling in the wire or just feeling for a spot with no wire.
Starter solenoid. It's the switching mechanism on the starter that engages the starter when you turn the key. To test you would need to make sure you're getting power from the ignition wire at the starter when the key is turned(The small wire, not the big one). If it does get power, the solenoid is bad and the starter needs to be changed. If it does not, then it's something between the key and the starter like the starter relay in the fuse box under the hood
ur still in a security lock out with ignition[ key ] system u might have to have it towed to dealer for them to hook up vehicle[contact dealer and advise what is happening and also recheck new key] for reprograming or reset system..some vehicles if u try to start vehicle while in a security mode can get completely locked out of vehicle and if u replaced the whole ignition housing and not just the cylinder the housing is the reader the wiring that is around the housing cylinder tube is what reads the key and syncs with the vehicle if u put in a different one or the wiring is damaged vehicle wont start and will stay in security mode
You're describing a no rotation issue and not a no start issue correct? If you dont hear/feel the starter relay clicking, it eliminates everything in the circuit to that point meaning the ignition switch, Transmission Range Sensor (TRS) (you don't have a neutral start switch unless you have a rare manual transmission), ground input from the Powertrain Control Module (PCM) to the starter relay coil, and starter relay are good. Based on what you've said that leaves the primary battery cable from the battery to the starter, and the wire from the starter relay to the starter solenoid contact on the starter. Have you checked their continuity? One more voltage to check at contact 30 (input volts from battery to starter relay contacts) on the starter relay socket. Should see 12vdc all the time.
You should check the battery. The true test is a load test. Does jumping the battery using jumper cables make any difference? If it starts, change the battery. I take it to check the starter you jumpered the solenoid contact on the starter to the battery correct? Have you tried wiggling the battery cables as you turn the key? They can corrode and fail internally. Are the engine and chassy ground connections clean and tight?
the starter should be replaced. The solenoid is kikcing the pinion out but there is no contact being made to turn the starter motor. I have the exact same truck and before i changed the starter used the old starter tap trick. Tap the starter casing with a hammer and it should start turning again. hope this was helpful for you. Good luck.
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