Car wont stay "ON"

[JoKer]

So drove to work yesterday, Parked all normal (over the Saddle Road)

went to go to lunch & hey that's weird

Car fires but wont 'run', heaps gas & sounds like its all fine until I return the key to On position, car dies

I realise it's fairly basic switching & wires but a little over my head if anyone can dumb it down for a wood worker

Started with the Ign switch inspection (thought it was main fault at first as a little wiggle caused the Alt light to blink)


 


then tried a second hand unit with exactly the same results, starts but doenst run

 


so I'm a bit stumped, checked fuel in line, car runs good with the key in starter position (can rev it a little bit & don't want to wreck starter etc)
more pics & Diagrams & maybe I've answered own question with the manual?

 



 



 



 



 


Ballast resistor? And I'm running Electronic ignition from a later model

 


so other than the chances of the second ign switch having same fault (unlikely) which most obvious Sparky boi have I over looked"?

Internal guts of the ign switch are fairly simple too only one contact covering 1/5 > 3/2

1 : to Starter motor
2 : Acc
3 : Dash
5: (labelled it 4 on sticker) is main feed from Battery

[TheMechanicnz]

My guess is the ballast resistor. Can cause all kinds of funny things to happen.

[JoKer]

My guess is the ballast resistor. Can cause all kinds of funny things to happen.

BINGO



Chapter 4.



 


(hoping this info may help someone here one day & not just me making noise : been a points man since 1997 > 2017)

so I whip out me multi meter

Check a spare I found, low



High


 
one in the car same test : Low


 
Nothing

High



Confirmed!

Plug in spare block & it fires up instantly

Any clues to why or how it failed other than "they do that"

was weird how it ran when parked : then dead

[SOLVED]

[JoKer]

also obviously the multi meter has read different figures to what I was expecting (from the Diagram / written on the side, is it ok to run this block? Or will it let the smoke out too?