Question about 2002 Volkswagen Jetta TDI
The glow plug relay is a little black box normally located in the fues box, the relay regulates power to the glow plugs, if the relay is not functioning correctly the plugs will not heat enough or, you will have to allow a longer time to let them heat up, it acts like a switch as such, when you turn on your ignition it switches over to make a contact inside, which inturn starts the heating prosess of the glow plugs when they are at the correct tempreture or the onbored computer detects they are it then switches back , without it , say just using a fuse instead, your glowplugs will just get hotter and hotter till they melted, and no you dont have to change the glow plugs hope this helps, ime not good at explaining stuff in writing lol
Posted on Jan 30, 2010
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Bulb indicator on dashboard panel are illuminated and glow plug indicator is flashing... I have no brake lights! anybody know what this is plse.
Posted on Feb 08, 2010
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Posted on Jan 02, 2017
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