Question about 1987 Ford F 150

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Got 1987 4x4 Ford Pickup, which side does the Pos. side of the of battery cable hook on to the Solenoid

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The solenoid has two large terminals--one side goes only to the starter motor. The other side gets the positive battery cable plus 1 or 2 small wires with large-hole ring-terminals. The small terminal should have only one small wire with a push-on connection. If you had hooked the cable to the starter side, as soon as the battery was completely connected, the starter would run. Hope this helps!

Posted on Oct 04, 2010


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Make up a jumper wire run it from the pos side of the battery to the pos side of the coil and jump the solenoid.


If you have another switch you could use that.


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1989 Ford F150 5.0 Auto 2wd. Was Driving in the city and all of a sudden the truck started stumbling lost all power and turned off. Got her towed home noticed the ground to battery was cracked replaced...

If the positive cable is on the wrong side, yes no power. The positive must be on the up side of the solenoid along with the other wires (except your start wire which goes on the small post). The cable going to the starter hooks on the down side. The ground goes to a ground (usually to the motor).

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Car wont start after i had a flat battery au falcon v8 no tick over nothing all fuses seem to be fine there is power to the rest of the car but nothing to start the car also the brake light comes on when...

If your battery is fully charged, then it sounds like one of the connections are loose or corroded, or a bad fusible link at the starter solenoid.

If this is an older ford, mid 70's or older then the solenoid is located out under the hood usually on the passenger side fender area, and the POS. (+) battery cable will lead straight to it.

There are two main (large connectors) on the solenoid, and there is one or two smaller connectors on the solenoid.

All of your hot wires to the vehicle should be connected with the POS. (+) battery cable and connected with a nut (usually a 1/2 inch nut) on one side of the solenoid (large connection), and the cable to the starter should be the only thing connected to the other side of the solenoid (other large connection).

There should also be one or two other small wires with push on connectors, one is from the ignition switch and has power to it when you turn the ignition switch to the start position. This is usually a red or orange wire with a white stripe, and should be connected to the "S" connector on the solenoid. The other wire if it has it (not on all vehicles) will usually be dark green or black with a white stripe and it should be connected to the "I" connector on the solenoid.

1. Connect a test light to a good ground.

2. Pull the wire off of the solenoid "S" connector and place the end of the test light into the end of the wire connector and turn the ignition switch to the start position, the test light should light up when the key is in the start position.

If the test light does light up with the key in the start position then it is the solenoid or the starter that has a problem.

Use a piece of 10 GA. or 12 GA. wire and jumper between the battery cable side of the solenoid, and the "S" connector on the solenoid, if the starter works then there is a poor connection on the battery cable side of the solenoid (clean and tighten the connections there), or a burned up fusible link on the battery cable side of the solenoid, or the ignition switch itself is bad.

If the test light does not light up when the key is in the start position, and all of the connectors are clean and tight, and all of the fusible links are good on the battery cable side of the solenoid, then the ignition switch is the problem.

Use the wire to jumper between the battery cable side of the solenoid straight across to the other side of the solenoid to the cable that goes down to the starter, if the starter works then the solenoid is the problem, if the starter does not work being directly jumped then the starter is the problem.

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1966 ford mustang in storage for 1 year. Battery

It's the one attached to the positive cable back right hand side of the engine. Since it's a six cyl the starters relatively easy to pull out. Try jumping the solenoid while the vehicle is in park. Get a screwdriver and touch the small prong on the top of the solenoid to the one that goes to the battery. (front two prongs, one on top one on the side) If the solenoid's bad the starter'll spin. Or you can get a set of jumper cables and go Pos (+) on the battery to the Pos (+) on the starter to check it before pulling it out.

Use caution as it may produce the same effect as someone turning the key while you're under there. That being said. Make sure you're clear of the fan and/or any other moving parts. The vehicle is definitely in park (or neutral and brake set).

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Not sure how to hook up plow motor to battery? Its an old fisher speedcast plow with cable controls thats electic over hydralic.It has pos and neg. cables and a solenoid on the pos. cable. I assume you...

The heavy + should be connected to the battery through the solenoid for the motor. There should be wires to control the solenoid (an electric switch, you know). The - goes to the truck's frame at a place of your choice. The ground must be solid, you know that, right?

I think if I were doing this install, I would hook the plow ground with the battery ground on the fame or where ever it is located.

The plow control should be mounted for your convenience inside the cab.

Lets review: Plow motor | ground to ground, hot to solenoid (motor side) | solenoid (battery side) to battery | solenoid control wires to cab.

Thanks for your question at

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hi from the uk if you look at startermotor solenoid you will see two large threaded terminals with nuts? and a third small terminal either spade or round terminal ok? now you should see thet one of large terminals already has a metal or braides strap secured to it and the actual startermotor body? LEAVE THIS ALONE the other large terminal is the one you fit the positive+ lead to from battery also there should be another lead to also attach to same terminal this one supplies power for vehicles electrics etc ensure you secure these with nut ok? now the third small spade or post terminal you will hav a thin wire nearby ?this attaches to thisterminal on its own on solenoid this wire is the one that activates starter when ignition is turned to key start position ok? as for interior light not working ? try again when you complete the above also make sure bulb is ok? ps! before you reconnect starter wires ensure the earth/ground lead is disconnected from battery and when reconnecting battery connect positive lead first then the earth lead or if you try other way you will have sparking from pos lead as you try connecting to battery hope this info is clear instructios for you to follow and wish you luck best wishes from england

Nov 26, 2008 | 1991 Ford F150

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