2003 Volkswagen Jetta TDI Q&A
2003 Volkswagen Jetta TDI Question: Glow Plug Relay
I check engine light is on it states that is it Glow Plug Relay # 3. What is the cost of replacing this and what harm could this do to the engine - Visitor
The plugs are approx $19.99 a piece. You can change the one that is bad or all of them. I would recommend having them ohm tested first. If they all ohm out at .9 then it is your harness that needs to be replaced. - goodguysdiesel
When replacing glow plugs, is that all that needs to be done? What is the glow relay?
Because of issues with the glow plugs and/or the glow plug wiring harness from the control relay, the Check Engine Light may illuminate. Our technicians tell us there is a service bulletin, not a r...
I want to rewire the glow plugs and not use the 'harness'. Thoughts?
when the light fron glow plug and engine on my 2004 jett flash it pulsates into the fuel pump and have a relay clicking in the dash i think its a 53 relay please help
dont fine that relay on 02