4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

Starter Motor Staying engaged

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  #1  
Old 04-29-2024
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Starter Motor Staying engaged

1992 Ford Ranger 4.0 V6 Starter motor is staying engaged when I start up the truck. When I disconnect the wire on the small post on the relay (shown down below) the starter turns off and the truck runs fine. My vote is for a new ignition switch but curious on what you guys think

Brand new starter and starter relay.

 

Last edited by mattr7; 04-29-2024 at 12:49 PM.
  #2  
Old 04-30-2024
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There's something sticking ON for sure. Either the switch or the contacts in your 'new' starter solenoid.
 
  #3  
Old 04-30-2024
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with key on motor running if you put the wire back on will the starter motor run? if yes I would ck the ignition switch if not I think its the starter? doesnt that wire with the red cap go to the ignition switch ? you could ck to see if it is hot with key on?
 
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Old 04-30-2024
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Originally Posted by docm
with key on motor running if you put the wire back on will the starter motor run? if yes I would ck the ignition switch if not I think its the starter? doesnt that wire with the red cap go to the ignition switch ? you could ck to see if it is hot with key on?

yes if I put the wire back on the post while the engine is running it turns on the starter motor again.
 
  #5  
Old 04-30-2024
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ch the red one the one with the cap on it. I think it comes from the ignition switch. it should only be hot when you try and start with the key.
 
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Old 04-30-2024
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Originally Posted by docm
ch the red one the one with the cap on it. I think it comes from the ignition switch. it should only be hot when you try and start with the key.
Test it while the engine is running?
 
  #7  
Old 04-30-2024
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Originally Posted by mattr7
Test it while the engine is running?
No, just have the key in the run position, there should be no voltage to that small wire.
 
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  #8  
Old 04-30-2024
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just looking at the pics I really dont know where the wires are going im just assuming. guessing the left is from the battery right to starter and the one on top goes to the key?
 
  #9  
Old 04-30-2024
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Originally Posted by 2011Supercab
No, just have the key in the run position, there should be no voltage to that small wire.
It has 0 Volts with the key in the start position
 
  #10  
Old 04-30-2024
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then try key on start motor test the sm wire to key if no volts its not the ignition switch.
 
  #11  
Old 04-30-2024
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Originally Posted by docm
ok so if you connect the big wire to the starter what happens now key on motor off
With the key in the start position if I reconnect the big wire to the relay nothing happens
 
  #12  
Old 04-30-2024
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is it the start position or run position ?
 
  #13  
Old 04-30-2024
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Originally Posted by docm
is it the start position or run position ?
Meant run/on (The position before cranking the engine)
 

Last edited by mattr7; 04-30-2024 at 02:27 PM.
  #14  
Old 04-30-2024
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ok. I'd start over. hook it all back up. start motor and make sure the key in in run position. if the starter is going first check if the sm red wire is hot 12v. if it is its the ignition switch. if not hot its the solenoid or the bendex on the starter is stucki. also where does the big red wire on the left side of the solenoid go?
 

Last edited by docm; 04-30-2024 at 02:51 PM.
  #15  
Old 04-30-2024
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Originally Posted by docm
ok. I'd start over. hook it all back up. start motor and make sure the key in in run position. if the starter is going first check if the sm red wire is hot 12v. if it is its the ignition switch. if not hot its the solenoid or the bendex on the starter is stucki. also where does the big red wire on the left side of the solenoid go?
The wire on the left side of the relay goes to the battery
 
  #16  
Old 05-08-2024
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Welp I'm stumped. All the things I've replaced. Don't know what else it could be

Positive battery cable (Had to be replaced no matter what)
Starter Motor
Starter Relay
Ignition switch

 
  #17  
Old 05-08-2024
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I am taking that nothing fixed the problem? So the starter motor continues to run?
 
  #18  
Old 05-08-2024
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Yep
 
  #19  
Old 05-08-2024
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You removed your picture.

The solenoid , The big wire that goes to the starter should be the only wire on that stud

The small wire with the red plug should go to the small stud marked with a "S"

All the other wires with a big terminal should go to the same stud that the battery connects to.
 
  #20  
Old 05-08-2024
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Originally Posted by 2011Supercab
You removed your picture.

The solenoid , The big wire that goes to the starter should be the only wire on that stud

The small wire with the red plug should go to the small stud marked with a "S"

All the other wires with a big terminal should go to the same stud that the battery connects to.
It all is and I'm not sure why the picture was removed
 

Last edited by mattr7; 05-08-2024 at 04:29 PM.
  #21  
Old 05-09-2024
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Post another picture of the solenoid or you call it relay with the wiring.

 

Last edited by docm; 05-09-2024 at 12:49 PM.
  #22  
Old 05-09-2024
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From: Edmond Oklahoma

Here is the Fender Solenoid/relay
 
  #23  
Old 05-09-2024
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ok so. key on in run position motor running is starter running too? if so you pull off the small red connector on the solenoid does the starter stop?
 
  #24  
Old 05-09-2024
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Originally Posted by docm
ok so. key on in run position motor running is starter running too? if so you pull off the small red connector on the solenoid does the starter stop?
When I pull off the wire that goes to the starter on the right post the starter turns off.
 
  #25  
Old 05-09-2024
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ok again try this. key on run motor running starter running. pull off the small red connector in the center on the relay does the starter stop?
 


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