New to this forum sorry if this is in the wrong spot, I have a 2003 duramax, glow plugs I have confirmed are working tested all of them , but when I turn the truck to the on postion or start it up there is no glow plug light coming on, I live in canada and it’s cold haha, would it be possible the bulb is burnt? Can you replace it?
Jillian
So, when you turn the ignition to "on" without starting, do all the warning lights illuminate? If so, other problem, if not, yes there are replaceable bulbs. However, they are solder in bulbs that are accessed from the back of the cluster, so while you do that, you might as well replace the stepper motors if they haven't been done yet. You can tell when you separate the cluster and look at the back of the motors, If they are labeled X27, they have been changed, if not, change all of them and as many bulbs you need or want to do. There are kits that have the motors and bulbs included for around $30. Check Youtube for videos outlining the process.
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