Please explain: how to glow/start BJ40

[berntd]

Hello

GOt this '79 BJ40 which was missing the ingnition lock.

Have obatined the lock and noticed that the 'glow' position is past the sterring lock position, way far away from the start postion.

At this point, it does not work. I also can't turn the key to the glow pos.

What exactly am I supposed to do to start this engine under 'normal conditions'?

Insert key (steering locked) and then what?


Best regards
Bernt

 

[Falco80]

You must have the wrong ignition barrel if it won't allow you turn the key backwards to the glow position. You might have to fit something like a "wilson switch" i think they call it, to allow manual glow. On my 79 BJ40 you have to turn the key backwards against spring-pressure to activate the glow plugs. Post this in the dieseltech section for some good info.

 

[fjbj40]

Does it have the glow rocker switch on the dash?

Daryl

 

[JDCruiser]

that is the same way that I start my 1981 BJ42, turn counterclockwise, hold it until the glow plug light on the left of the dash panel starts to "orange up". Usually need to hold it around 7seconds, then turn clockwise to start like a normal car.

Yes there is a glow indicator, located to the left of the steering wheel, just above (I think) the headlight switch. Will increase in glowing to a bright orange and then ready to start. There is also a glow hold down switch on the dash, to the right of the steering wheel by the wiper switch. This is used if it is really cold and she has started but is running really rough, you can hold the switch down and it does similar to the reverse key, puts the glow plugs on to smooth out the idle. Don't run it too long though or you will burn them out.

 

[landyNZ]

At this point, it does not work. I also can't turn the key to the glow pos.

What exactly am I supposed to do to start this engine under 'normal conditions'?

Insert key (steering locked) and then what?

If the steering column is locked up I need to ease the pressure off the column before I can twist the key back to the glow position. Sometimes there will be pressure from the column on the lock barrel, other than that it functions just like it looks like on the etchings, 1/8 turn anticlockwise to glow, then all the way round clockwise to start just like any other vehicle.

 

[bj40green]

here are some pics:
Glow controller:

Glow switch for extra/after glow, which was only installed in "cold" countrys.

The ign key


Turn the key to the "glow" position.
Hold until the controller comes up bright orange. This can take something between 10 and 20 seconds.
Turn key to the start position and start the engine.
If you have the extra glow switch you can hold it for afterglow until the engine runs smooth. No longer then 20 seconds!

Hope this helps,

Rudi

 

[berntd]

here are some pics:
Glow controller:
View attachment 582285
Glow switch for extra/after glow, which was only installed in "cold" countrys.
View attachment 582286
The ign key
View attachment 582287

Turn the key to the "glow" position.
Hold until the controller comes up bright orange. This can take something between 10 and 20 seconds.
Turn key to the start position and start the engine.
If you have the extra glow switch you can hold it for afterglow until the engine runs smooth. No longer then 20 seconds!

Hope this helps,

Rudi

Hello
Ok, I have the right lock and I have the right switch behind the lock.
Lock states glow and I can turn the switch to glow with a screw driver.

I am not able to just turn the key to glow though.
I noticed that if I push the key in hard and then turn it, I can.

I do not have to push the key in hard to get to Acc or start though. It just turns.

Is this normal?

Nothing to do with the steering lock. I know how to operate that.

Regards
Bernt

 

[bj40green]

It sounds to me that the push-in-to-glow is a safety thing but I'm not sure about that. My '78 BJ40 doesn't have that but also not the steering lock, so I can't tell you if it's normal.
Let's hope another '79 and later owner chimes in.

Rudi

 

[lostmarbles]

I don't have to push my key in further to be able to rotate it backwards towards glow either Rudi. And I have never heard of anyone having to do that before.

Sound to me like there is something wrong with either your key or your ignition barrel Berntd.

 

[seapotato]

I have an 81 bj42, and key just turns backwards, no pushing in required.

I had a 79 bj40 for years before that, and it was identical.

Sounds like something goofy is going on with the switch?

I remember having my column apart once and having it go together slightly wrong, and things didn't work properly, key wouldn't turn the way it was supposed to.

this was a looong time ago, so I forget the details, but might be worth looking into.

cheers,
ryan

 

[berntd]

Hello

I think the cylinder or key is worn maybe. Will have to see later...
Bernt

 

[ToyotaDyna]

Hi there and Happy new year to everyone!

So last night, on new years eve at 23:58 my glow plug relay stuck on right after starting.

I have a late '78 24 volt BJ40 wired in series ( manual glow system )

I pulled the fusible link quickly and was able to save any damage as the fireworks where going off! Lol

Now, without turning the key back to the glow position, it glows when turned to the ON position.

I plugged out the glow relay and am able to start ( with a warm engine anyway )

I was thinking it may be the ignition switch faulty? Maybe the contacts in the switch?

Thanks!
ToyotaDyna

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[45Dougal]

Hi there and Happy new year to everyone!

So last night, on new years eve at 23:58 my glow plug relay stuck on right after starting.

I have a late '78 24 volt BJ40 wired in series ( manual glow system )

I pulled the fusible link quickly and was able to save any damage as the fireworks where going off! Lol

Now, without turning the key back to the glow position, it glows when turned to the ON position.

I plugged out the glow relay and am able to start ( with a warm engine anyway )

I was thinking it may be the ignition switch faulty? Maybe the contacts in the switch?

Thanks!
ToyotaDyna

-------

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Sounds like your glow relay is still stuck in the on position - they can weld themselves closed, possibly due to over current from a failing glow plug.
Although.. glow does stay on for a while when cranking and then maybe even running ??
Disconnect the glow plugs under the hood, and replace with a test lamp - then you can see how long they fire for without cooking anything.

 

[peesalot]

berntd, check the shoulders/stops on the key your using, are there square shoulders or are they all sloped off ? check the key passage in cyl to see if the stops there are good or all wallered out, you say it worked pushed in, indicates stops on key or in cyl are bad and cuts in key are not lining up with pins and/or cuts on key are worn. if pushing makes a diff it is wear at stops or in cuts, the cyl may need to be replaced as well.
yes, warming glow plugs is normal, I will run my trucks glow cycle 2 or three times when its really cold, if you have the afterglow switch thats what it does, lets you manually heat glow plugs while engine is stone cold.

 

[ToyotaDyna]

Sounds like your glow relay is still stuck in the on position - they can weld themselves closed, possibly due to over current from a failing glow plug.
Although.. glow does stay on for a while when cranking and then maybe even running ??
Disconnect the glow plugs under the hood, and replace with a test lamp - then you can see how long they fire for without cooking anything.

Thanks!

I know that when it was glowing that the relay is on the on position as I removed the cover on the relay and if I seperate it with a wooden dowel it will connect straight back up again after and start glowing again.

I think I will change the glow plug also as they have been in for years at this point.

I am going to pull the switch and test it.

ToyotaDyna

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[ToyotaDyna]

I pulled the switch and tested with my multimeter.

The green glow wire has continuity so all good.

Then I tested for continuity between the end of the Green glow wire and the start On wire, there was none until I turned the switch to the On position.

I imagine there shouldn`t be any continuity at all between both.

After turning the switch back and forth a few times noenthere is no continuity between the glow and On wire, so I will refit to test and order a new switch too as this must be worn.

ToyotaDyna

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