Lower ignition swutch

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Dec 5, 2011 | 05:07 PM

rustranger07

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From: Warner Robins

Lower ignition swutch

Hey guys Need some help I've got a 81 f100 straight 6 I think it's a 300 but. I'm going to have to replace my lower ignition switch an was wondering if anyone knew how to do it an had any pics an if anyone knew what kind of job it's gonna be.

Dec 5, 2011 | 06:20 PM

ctubutis

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From: Denver Metro Area, CO

This is pretty easy....

Remove the wiper ****:

Remove the headlight **** + stalk, there is a mechanical button on the switch assembly itself, you need to reach your hand up into there and push it while you pull the **** off:

Similar to this:

Remove the dash gauge cluster trim, the piece of plastic trim beneath the steering column, you'll see a piece of aluminum bracket held onto the column with I believe 4 bolts or nuts (10MM I believe) and there are I believe two (might be 4) bolts holding that aluminum piece + column to the dash assembly; remove those two and the column should drop into your lap, making the switch easily accessible (the switch might also be 10MM but I don't remember for certain).

Dec 5, 2011 | 07:41 PM

rustranger07

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From: Warner Robins

Wow thanks. Quick question I believe that this may be the problem it's possibly stick but only every now an the when I go to crank it it drags like it is a dead battery

Dec 5, 2011 | 07:45 PM

Franklin2

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From: Virginia

Ignition switch is not going to make the engine "drag" when starting.

Dec 5, 2011 | 08:05 PM

rustranger07

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From: Warner Robins

What are the Different things it could be? It has a brand new starter and solenoid

Dec 5, 2011 | 08:10 PM

lavatan

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From: Rock Valley, IA

The starter and solenoid.

I've read so many times on this forum that the solenoids you get now are cheap POS. Try a different solenoid. That may fix your issue.

Dec 5, 2011 | 08:27 PM

rustranger07

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From: Warner Robins

Changed it several times and a local shop put on a heavy duty one last month typical used on heavy duty winches

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Dec 5, 2011 | 08:46 PM

ctubutis

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From: Denver Metro Area, CO

Use a small piece of wire and jump 3 & 5 in the diagram, this will activate the starter solenoid just like you had turned the key.

Is the starter still dragging? Most likely it is but do this test and report back.

I would suspect either a battery cable OR its connections, or the cable from solenoid to starter, or the starter is drawing too much power.

You can take the truck to Wal Mart or Sears and ask them to do a current test on the starter, this will tell you how much power it's pulling.

Could also be your ignition timing is just tooooooo far advanced (but the DSII module should help correct for that on startup).