Please read the installation procedure listed below as it will save you time (and possibly parts) in the long run. After installation…enjoy! Caution! Be aware that E-PROM’s are static-sensitive devices, and so are the chips in your control unit. Avoid replacing chips in high static areas, and avoid touching the pins of any integrated circuit / E-PROM.
1. Open hood and remove the rubber seal laying on the top edge of the firewall. Remove the plastic raintray and locate the control unit. It is located on the driver’s side on Golf and Jetta 2 models, the passenger side on Passat and A3 models.
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