Is your Coil pack harness cracking from heat? Here is your updated replacement harness, same as VW p/n 1J0971658L. Cracks in the wiring can lead to misfires and check engine lights flashing. If you've already replaced your coilpacks and spark plugs odds are you have a faulty wiring harness. Upgrade to this newer style harness and get rid of that pesky check engine light!
Click the link below for the official VW tsb.
- Installation Guide per Official VW TSB
NOTE: This kit is made specifically for all 2000-2005 Golf/Jetta 1.8T engines. For the Audi/Passat 1.8T engines this kit is not a direct fit but will work with some slight modification. For this application the 3 pin connector for the speed sensor is not used.
Pin Colors for Reference (in case you lose some stickers from the wires)