New problem
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Freshman User
Joined: Jul 2019
Posts: 39
Likes: 1
From: Near San Antonio
FTE Legend
Joined: Nov 2015
Posts: 30,830
Likes: 4,096
From: Angier, NC
If you did Matt's testing to the "T" and it checks and you have 12 volts on the starter stud and you are sure the starter is good as you said you had it tested.
The only thing I have not seen asked yet and it is a big one .......... WILL THE MOTOR TURN OVER BY HAND?
Pull all the plugs out as it will make it easier to turn over. Find a socket that will fit the bolt on the crank shaft.
You will need an extension on the socket to clear the pulley and see if it will turn.
Go a few turns to make sure it will move good. If it will turn by hand we can move on.
Keep the plug out and run Matt's test again measuring volts at each point as it will point to where the issue is that needs fixing.
Dave ----
edit: taken from his other post
If it does not turn over not is all lost just let us know and we can tell you what the next steps will be.
The only thing I have not seen asked yet and it is a big one .......... WILL THE MOTOR TURN OVER BY HAND?
Pull all the plugs out as it will make it easier to turn over. Find a socket that will fit the bolt on the crank shaft.
You will need an extension on the socket to clear the pulley and see if it will turn.
Go a few turns to make sure it will move good. If it will turn by hand we can move on.
Keep the plug out and run Matt's test again measuring volts at each point as it will point to where the issue is that needs fixing.
Dave ----
edit: taken from his other post
Hello everyone,
So i have an 81 F150 Custom with what im pretty sure is a 302 V8 that was my girl's father's before he passed and its been sitting for about 3 years. I tried messing with it about 8 months ago and go it to crank but never start but in that time someone has taking the distributor cap and rotor off and the alternator off. I have the alternator but no idea how the back is wired or how the belt goes on and no idea if it had a round tor triangular rotor. Does anyone one have any videos or pictures of how any of this goes together. I have an 87 f150 with a straight 6 and thats the only old ford motor i know how to work on and im complete lost. I would love to get this to run again for her but im at a loss an reaching out for some much needed Help thank you to anyone who reads and responds.
So i have an 81 F150 Custom with what im pretty sure is a 302 V8 that was my girl's father's before he passed and its been sitting for about 3 years. I tried messing with it about 8 months ago and go it to crank but never start but in that time someone has taking the distributor cap and rotor off and the alternator off. I have the alternator but no idea how the back is wired or how the belt goes on and no idea if it had a round tor triangular rotor. Does anyone one have any videos or pictures of how any of this goes together. I have an 87 f150 with a straight 6 and thats the only old ford motor i know how to work on and im complete lost. I would love to get this to run again for her but im at a loss an reaching out for some much needed Help thank you to anyone who reads and responds.
Post Fiend
Joined: Feb 2008
Posts: 5,831
Likes: 121
From: St Albert, Alberta
If you did Matt's testing to the "T" and it checks and you have 12 volts on the starter stud and you are sure the starter is good as you said you had it tested.
The only thing I have not seen asked yet and it is a big one .......... WILL THE MOTOR TURN OVER BY HAND?
Pull all the plugs out as it will make it easier to turn over. Find a socket that will fit the bolt on the crank shaft.
You will need an extension on the socket to clear the pulley and see if it will turn.
Go a few turns to make sure it will move good. If it will turn by hand we can move on.
Keep the plug out and run Matt's test again measuring volts at each point as it will point to where the issue is that needs fixing.
Dave ----
edit: taken from his other post
If it does not turn over not is all lost just let us know and we can tell you what the next steps will be.
The only thing I have not seen asked yet and it is a big one .......... WILL THE MOTOR TURN OVER BY HAND?
Pull all the plugs out as it will make it easier to turn over. Find a socket that will fit the bolt on the crank shaft.
You will need an extension on the socket to clear the pulley and see if it will turn.
Go a few turns to make sure it will move good. If it will turn by hand we can move on.
Keep the plug out and run Matt's test again measuring volts at each point as it will point to where the issue is that needs fixing.
Dave ----
edit: taken from his other post
If it does not turn over not is all lost just let us know and we can tell you what the next steps will be.
If the motor is seized, then the question is why. Seized bottom end or corroded cylinders or mech interference (dropped valve, thrown rod etc).
Thread Starter
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Freshman User
Joined: Jul 2019
Posts: 39
Likes: 1
From: Near San Antonio
All right guys so I think my neutral safety switch is the culprit but I can't find a replacement that only has a two wire connection so is there any way for me to bypass it or do I have to find a replacement if so can someone point me in the right direction
Moderator
Joined: Jan 2001
Posts: 56,950
Likes: 2,718
From: Virginia
Get under the truck on the driver's side of the transmission where the linkage goes into the side of the trans. You will see the switch bolted to the side with the levers going through the middle of it. You will probably have 4 wires going to it. Two of them are for the back-up lights. The other two are the neutral safety. Both neutral safety wires are red with a blue strip. However you can do it, you need to jump these wires together.
Thread Starter
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Freshman User
Joined: Jul 2019
Posts: 39
Likes: 1
From: Near San Antonio
Get under the truck on the driver's side of the transmission where the linkage goes into the side of the trans. You will see the switch bolted to the side with the levers going through the middle of it. You will probably have 4 wires going to it. Two of them are for the back-up lights. The other two are the neutral safety. Both neutral safety wires are red with a blue strip. However you can do it, you need to jump these wires together.
Moderator
Joined: Jan 2001
Posts: 56,950
Likes: 2,718
From: Virginia
See and thats my problem my neutral safety switch only has two wire so what do I need to do to jump these wires just two female bullet connectors and a piece of wire connecting the bullet connectors or is there something under the dash....be assured I have a automatic transmission
I just looked your truck up, the back-up light wires will be pink with orange dots and and black with pink stripe. Don't mess with those.
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