My 2000 tdi jetta keeps throwing a code glow plug not working.i have replace all glow plugs wiring and relay module on coolant and engine. Code is po380
When you turn the key on does the glow plug light on the dash come on, even for a second?
Your Dublin 2000 may be different then what we have on this side of the pond.
Tested it all with meter? Was it a short or long wire harness? Maybe a bit of differential in your crimp if it is a shorty, or a bad new gp. Test individual resistance and continuity in them and the harness. Being a 2000 its a two wire yes? Dodgy parts?
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