Question about 1990 Ford F150

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THE ignition switch doesn't work, yet truck can be crank under the hood.Guy said part are no longer made is it true

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It might be true, but depends on which bit we're talking about.

If it's just the ignition switch assembly then I'd be very surprised as many other Fords used them and manufacturers will continue to make the spares as long as there's sufficient demand. If it's the steering column lock assembly then it's more likely to be unavailable new, but there were so many F150's made that a NOS (new, old stock) part should still be readily available. I live in London, England and can still easily get almost all original parts for a '59 T-Bird: a car which was never officially sold over here.

Despite all that there are thousands of F150's in wrecking yards (Europe and Asia excepted) which can provide spare parts and if it is just the switch then any half-competent car mechanic can fit an after market push button starter (key goes in the ignition to unlock the steering and is turned to engine on position, then you press the starter button instead of turning the key further to start).

I think you need to find another guy who isn't talking out of his rectum...

Posted on Oct 06, 2009

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  • Ford Master
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You can get an ignition switch. Mayby not made by Ford, but an aftermarket.

Posted on Oct 06, 2009

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1 Answer

I have aa 2007 chev her with 2.22 liter some of the fuses don't get power and some do on the fuse box block under hood everything to start and run car is dead


2007 Chevy her ? HHR ? 2.2L 4cylinder , check the run/crank relay ! Relay # 51 in the under hood fuse/relay box.
Power to many of this vehicle?€™s circuits are controlled by the module that is designated the power mode master (PMM). This vehicle?€™s PMM is the body control module (BCM). The PMM controls which power mode (Run, Accessory, Crank, Retained Accessory Power, or Off) is active.
Run/Crank Relay The run/crank relay control circuit is connected to a constant ground and is switched by the ignition 1 circuit or the body control module (BCM). The BCM, will in lieu of the ignition switch position, activate the Run/Crank relay during a remote start event. The Run/Crank relay supplies a power signal to the following circuits, when the a Run or Crank power mode is selected:
?€¢
Automatic transmission shift indicator


?€¢
Automatic transmission (A/T)


?€¢
Switched power feeds to the BCM


?€¢
Electronic brake control module (EBCM)


?€¢
Electronic ignition module (spark control)


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Electronic power steering module (EPS)


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Fuel injectors


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Powertrain control module (PCM)


?€¢
Park neutral position (PNP) switch

Dec 22, 2015 | Cars & Trucks

1 Answer

Car cranks but wont kick over sometimes


Could be bad ignition switch; try starting the engine from under the hood directly via the starter (can use a long screwdriver to connect contacts. just use caution). If it constantly starts no problem this way, it's most likely the ignition switch. Also the starting idle could be low; try holding the accelerator down just barely and turn the key. If this works, that could be the problem.

Another problem could be the fuel pump; you can try starting the car with an 'alternate' fuel source i.e. spray accelerants to rule out variables. If it starts this way, more likely it's a fuel issue. I wouldn't advise this testing method as it isn't overly reliable or telling at times, it can damage the engine, and mainly it's very prone to producing a fire/fireball.

If the cranking quickly gets slower and longer, it's a power issue. Most likely bad battery.

Apr 02, 2013 | Cars & Trucks

1 Answer

No power to dash or crank


It's pos to be an ign switch but before throwing a lot of expensive parts at it before ya fix it I would check All the fuses & relays first, & they're a lot of them an Caddys. Under hood, under dash, under rear seat, if battery is under seat a lot of fuses & relays are there too, (but probably not for these issues). Check anything labeled IGN or ignition switch, or for any system that isn't working, dash/cluster, starter. If the fuses & relays are good then get a test light & start checking from there.

Mar 06, 2013 | Cars & Trucks

1 Answer

97 geo, wont start


if it doesn't crank over test the starter jump the small wire on the starter to battery voltage if it cranks there the problem is the car side if it still doesn't crank the starter is bad

Aug 18, 2012 | Cars & Trucks

1 Answer

Ok so I bought a 94 Chrysler concorde... the guy told me you have to turn the key multiple times before it starts...the starter doesn't kick in until basically it wants to...lol he said the ignition...


You may be right. Sometimes a starter test doesn't reveal everything. But before you pull the starter, do this quick test. It should confirm if problem is the starter or the ignition switch. When the car won't crank over, pull the small wire off the starter solenoid (on the starter), and check if it has power when key is held in crank position. You need a helper to hold the key in crank. If the wire has power (use a testlight or meter to check for power), and the starter won't crank, pull the starter off for testing or replacement. But if there is no power on the wire when key is held in crank, then it confirms that power is not being transmitted from the switch to the starter. Not to say for sure it is the switch, could also be another part in the path from switch to solenoid (like the neutral safety switch). But more common for the ignition switch to go out first. Either replace the switch or continue testing your start circuit. Post back with results or for further help. Good luck.

Jun 14, 2012 | Cars & Trucks

2 Answers

S10 2.2 5 spd 2wd...electrical problem


Sounds like ur computer. When a computer goes out they seem to go in different ways. Also there should be main circuit relays either under the hood or on driver side dash. If you pop a main relay it will kill all main circuits to protect a circuit melt down. Hope this helps. Thanks Josh

Nov 22, 2009 | 1997 Chevrolet S-10 Pickup

1 Answer

Ignition problem with jeep


howdy, several things come to mind, so here's a few things to check. most likely you have an automatic transmission, have you tried cranking in neutral instead of park? if you can crank it in neutral then the neutral safety switch/transmission range sensor could be your problem. also, when you turn the key to crank, do you hear the starter relay(in the underhood fusebox) or the starter solenoid clicking? the starter & ignition switch can also cause this problem. check all your fuses inside and under the hood. good luck.

Jun 18, 2009 | 1995 Jeep Grand Cherokee

1 Answer

There was an old security system in my truck prior to me buying it and ive had it for six months and today i tried to start it and it wouldnt even make a noise turnig the ignition except for the radio and...


is the alarm factory or aftermarket?

If aftermarket - the brain will be under the dash attached somewhere near the steering column.

Look for an 10 or 12 Gauge YELLOW wire that has been cut.

This is your starter wire.

one half goes in one side of the brain, and the other comes out the other side.

either solder or use crimp-connectors to return this yellow wire back to factory.

If you no longer require the alarm - you can do the same for every other wire on the brain.






Here is the color code chart for your vehicle...

Constant 12V+ Red Ignition Switch Harness

Starter Yellow Ignition Switch Harness

Ignition Pink Ignition Switch Harness

Ignition 2 White Ignition Switch Harness

Ignition 3 Brown Ignition Switch Harness

Accessory Orange Ignition Switch Harness (Heat/AC)

Tach White Coil

Brake Switch White Brake Switch

Trunk Release Brown Switch or Driver's Kick Panel

Trunk Pin DIESEL- Glow Connector Blue behind Instrument Cluster

Parking Lights Brown (+) Light Switch

Head Lamp Yellow (+) Light Switch

Hood Pin n/a

Factory Disarm n/a

Door Trigger Purple (-) 4 Pin Black Connector Driver's Kick Panel
Door Lock Light Blue Driver's Kick Panel w/Keyless Positive

Door Unlock White W/o Keyless Entry Reverse Polarity (5 Wire)

Horn Wire Black (-) Steering Column

Windows Up LF=Blue, RF=Light Blue

Windows Down LF=Brown, RF=Tan

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Apr 26, 2009 | 1995 GMC Sierra C1500

1 Answer

Car starts, then dies within 2or3 seconds.


Try this start eng and before it dies disconnect the starter solenoid, and hold the ignition in the crank position like you are starting it, if the engine remains running replace the ignition switch, they come apart and cause this issue

Sep 20, 2008 | 1996 Lincoln Mark VIII

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