13-01-2012, 01:08 PM
Depends on temp on the XUD...
The controller turns them on with ignition, and the light goes out dependant on plug resistance and a delay based on water temp (one of the water temp sensors is dedicated to the glow plug system), then once its running they stay on for 10-20 seconds, and then continue to pulse on and off in short periods until the water temp comes above a set temp, thats why if you have a shitty aux belt it starts and stops for the first 10 mins driving, as the plugs come on and off
The controller turns them on with ignition, and the light goes out dependant on plug resistance and a delay based on water temp (one of the water temp sensors is dedicated to the glow plug system), then once its running they stay on for 10-20 seconds, and then continue to pulse on and off in short periods until the water temp comes above a set temp, thats why if you have a shitty aux belt it starts and stops for the first 10 mins driving, as the plugs come on and off

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