Although the PnP kits and ECU’s are identical, the New Beetle’s EC’s location is different than the Jetta/Golf; therefore these instructions are split – the first section describes Golf/Jetta installation and the second section describes Beetle installation.
(2) The ECU connectors lock and unlock by pulling the “T-handle” located at the connector’s edge. Look at the locking handles on the PnP harness and familiarize yourself with the mechanism before trying to remove the OEM plugs.
(3) When trying to remove the OEM Plugs from the ECU, getting your fingers into the T-handles can be difficult. You can gently pry the T-handles back using a screw driver.
(4) The Golf/Jetta OEM ECU bracket will not reinstall with the Unichip PnP harness in place without modification. You can easily modify your bracket as outlined below or can by a modified bracket from UNA (UNA Part # 9950001).
Installation Procedures - Golf/Jetta
1. Using the 10mm wrench, disconnect the car’s battery at the negative terminal in the engine compartment behind the driver’s side headlight.
2. (Photo 1) Remove the Windshield Wiper Arms
Note: Installing the wiper arms in the incorrect position may result in damage when they are actuated.
a. Using the pick, pry off the windshield wiper drive spindle covers.
b. Record the arm position on the drive spindle with a marking pen to assist correct reinstallation.
c. Using the 13mm socket, remove the nut securing each wiper arm blade, and remove the arms.
3. (Photo 2) Remove the plastic Rain Tray Cover
a. Remove the rubber seal along the top of the firewall
b. Slip your fingers between the windshield and the tray at the mid-span point and gently work towards one side unplugging the securing tabs. DO NOT USE ANY TOOLS as they may damage the tray, tray tabs, or windshield. Repeat towards the opposite side and remove the tray.
c. Remove the cover; the cover extends underneath the cowl on the passanger’s side. Remove it by pulling it forward into the engine compartment.
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