Call them heaters , glow plugs ,whatever , I have a dud controller.
Its aBosch 12V unit 0 333 402 513.
Has 6 contacts , 2 for the power through labeled G and 30.
The other 4 are numbered K , 50 (pins parralel) , and 31 ,15 pins parallel at 90 degs to other 2
So I am assuming power comes in on pin 50 and K is earthed then power should be on across the relay built in which connects G and 30, for about 6 seconds then it switches off.
My question is - Does anyone have a circuit diagram ?
If not any similar circuits , and if not then possibly you know how these devices work and can point me toward fault finding it.
Its got a couple of trasistors ,a dual op amp LM 2904N one larger electro and a tantalum say 10 resistors and a couple of diodes.All answers appreciated
Its aBosch 12V unit 0 333 402 513.
Has 6 contacts , 2 for the power through labeled G and 30.
The other 4 are numbered K , 50 (pins parralel) , and 31 ,15 pins parallel at 90 degs to other 2
So I am assuming power comes in on pin 50 and K is earthed then power should be on across the relay built in which connects G and 30, for about 6 seconds then it switches off.
My question is - Does anyone have a circuit diagram ?
If not any similar circuits , and if not then possibly you know how these devices work and can point me toward fault finding it.
Its got a couple of trasistors ,a dual op amp LM 2904N one larger electro and a tantalum say 10 resistors and a couple of diodes.All answers appreciated