Quote Originally Posted by damian.thomas View Post
The glow plugs on the tb42 are 12 volt aren't they? The ones in the 2.8 are 6.5volts so i think i have to change the relay? Might be wrong though

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Push button is the smartest idea. That's what I had originally but the button fell apart so I've gone to a switch for now. TD42 are 12v yes. I'll send you a PM mate.