Smoke In Steering Column

Detroiit · Aug 24, 2014

I went to start my 90 mustang and a decent amount of smoke came out from where the key goes in.

It blew a 20 amp fuse and after I replaced the fuse I turned the key to start it and nothing happens. The dummy lights light up but no starter engagement..

I did push start it and parked it back in the garage.

Any ideas were I should start?

madspeed · Aug 24, 2014

sounds like the multifunction switch may have shorted out

jrichker · Aug 24, 2014

Recall on Ford Ignition switches:

Revised 7-June-2014 to add Torx bit picture and source. Also added replacement ignition switch wiring pigtail picture, part numbers and sources.

Some of the symptoms of ignition switch problems are things that don’t work or are intermittent like radio, turn signals, wipers or heater.

There was a FREE recall on Ford ignition switches. They overheat and sometimes catch fire. That burns up the steering column and sometimes the car interior. Since this is very old information, you may not be able to get the switch replaced for free anymore. The auto parts stores sell the switches for $13-$15.

While you are working on the switch, check the wiring and connector closely. A replacement connector with new wiring pigtails is available from most auto parts stores

AutoZone and Advanced Auto Parts have the same Part Number: 434 - may have to order, not always in stock

Advanced Auto Parts alternate part number: PT5534

Saleen0679 was nice enough to dig this up for us awhile back: Replace a 1979-1993 Ignition Switch Assembly

Torx bit set from Advance Auto Parts

Autocraft torx bit set – have small hole in tip for tamper proof screws.
Part No. AC571/W1386 Cost approx. $12 +tax

Diagrams courtesy of Tmoss & Stang&2birds

Ignition switch wiring

Fuel, alternator, A/C and ignition wiring

Detroiit · Aug 24, 2014

Excellent bit of information. Thanks

stykthyn · Aug 24, 2014

Nailed it. Ignition switch.

mikestang63 · Aug 24, 2014

disconnect your battery before you do this. As jrichker said, when you have everything apart, check for burnt wiring leading to the switch and on the column.

Detroiit · Aug 24, 2014

It was the neutral safety switch wire that is in the ignition switch. A previous owner hack wired it and it came apart and shorted on the metal cover under the column. So it is up and running again... Im going to the tuner on Tuesday the 26th.. Cant wait...

Smoke In Steering Column

Detroiit

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madspeed

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jrichker

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Detroiit

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stykthyn

I want to measure mine. It doesn't look that tall.

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Smoke In Steering Column

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