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Old 04-28-2016
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Icon4 88 Ranger wont start

I am all out of ideas and wanted to know if there is a way to bypass my problem. I just put in a new fuel pump, new relay, new transmission, new bbattery, new Solenoid , and new starter. The truck cranked and ran. I turned it off and tried to start it again but it wont start. All I hear now is a vibration sound. Is there a way to bypass the starter to get it running? Im completely out of ideas as to what is going on when everything is new.
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Old 04-28-2016
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"truck cranked and ran"
"now....won't start"

You use the word "cranked" for starter motor turning which is good, and "ran" for started.

So "won't start" to me means the starter motor is "cranking" the engine, but engine isn't starting.

Then you say there is a vibration sound and you want to bypass the starter motor............

Confused..............

When you turn the key to START does the starter motor "crank" the engine?

Manual or automatic transmission?
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Old 04-28-2016
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The truck is a Manual. I have a Brand new starter and brand new starter solenoid and the truxk does not turn over. The starter solenoid makes a vibration noise.
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Old 04-28-2016
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Ford starter motor has the Solenoid on it, and in your year a Start Relay on the fender.

Some call the starter relay on the fender the starter solenoid, which is fine but not completely clear.

If the starter relay on the fender is vibrating then it needs to be replaced the sliding post inside is stuck.

Make sure truck is in NEUTRAL!!!!!, Emergency brake set!!!

Then use a jumper cable from larger post on starter relay to the other larger post on starter relay, starter motor should crank engine.
If it doesn't then either cables are bad or starter motor is.
"New" doesn't mean "it works" any more, it now means "never tested"

If the vibration is coming from the solenoid on the starter motor then it is either stuck or starter gear is jammed, either way starter will have to come out for testing.

Manuals and automatics often used different starter motors, different depth nose cones and gears, so are not interchangeable, maybe parts store gave you the wrong one.

Just FYI
A relay connects and disconnects an electrical circuit
A solenoid causes a mechanical movement

Both use the same electro-magnetic mechanism, which is why the Ford starter relay is often called the starter solenoid.

Starter relay passes battery voltage to starter motor
Starter solenoid pushes out the starter motor's gear to make contact with the ring gear/flywheel.

In the 1990's Ford moved the starter relay to the starter motor, and Positive battery cable ran right to the starter motor, no relay on the fender.
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