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ABOUT THIS MOD. TOOLS NEEDED:
This mod will result in the following:

1. Enable the operator to switch between three boost settings: stock mode, 11PSI and 17PSI - on the fly!

WARNING: This mod was performed on my 2001 Volkswagen Jetta. I cannot guarantee this will work on your vehicle. Work at your own risk. Installation times will vary upon the installer's experience. It took me about 20 minutes to complete this mod.
 

VW TECH BY: Anthony D'Anna

Listed below are the parts and tools necessary to perform this modification.

NOTE: All electrical connections were joined together by soldering.

Items and Tools Needed:

- 2 Zener Diodes (1 4.3v and 1 4.7v)

- 1 On/Off/On SPDT Toggle Switch

- 3 pieces of automotive wire approx. 8ft each

- Wire Cutter/Stripper

- Soldering Iron

- Solder

- Electrical Tape (optional: heat shrink tubing)

- 5ft. of Wire Loom & Zip Ties
T15 and T25 Torx to remove the Trim Panels under the steering wheel (depending on switch mounting location)

STEP 1. STEP 2.
Begin by determining where you want to mount the switch. This is necessary to plan the length of wire you will need and also to prepare the tools needed. For me, I decided to mount the switch just above the radio where my turbo timer is mounted.

Insert the panel removal tool behind the top and bottom portion of the fuse panel cover and release the 4 panel clips (I used my hand for this but a panel tool or screwdriver will work also). Remove the cover.

STEP 3. STEP 4.

Remove the 3 T15 screws underneath the column panels. Pull the left column panel straight out to release the panel clips.

Now remove the T15 screw you see that was covered by the left column panel. Insert the panel removal tool behind the top portion of the column panel and release the panel clip. Insert the panel removal tool behind the right portion of the column panel and release the panel clips. You should now be able to remove the panel completely.

STEP 5. STEP 6.

On the left side of the metal support bracket, remove the 2 T15 and 1 T25 screws.

On the right side of the metal support bracket, remove the 2 T15 and 1 T25 screws. You should be able to remove the bracket completely.

STEP 7. STEP 8.

Locate the unused grommet (or you may have used it for something else already) and pull it out or slice a hole into it. Route your 3 wires through that grommet.

Wires are in place now and ready to be hooked up to the switch and Map Sensor wires.

STEP 9. STEP 10.

Route the wires through the engine bay any way you like. My path is highlighted by the yellow arrows. Route your 3 wires through that grommet.

Pull out the Orange/Light Blue and Purple/Grey wires from the loom. (Now is the time to slide your heat shrink tubing over the wire before you make the connections). Connect one wire to the Orange/Light Blue wire. Connect both diodes to the Purple/Gray wire, striped side towards the map sensor wire. Connect each of the other two wires you ran to one diode, each on a different diode. Take note of which color wires are connected to what. You will need to hook them up correctly to the switch. Solder, heat shrink or tape, and clean up your connections.

STEP 11. STEP 12 - TEST YOUR CONNECTIONS.

Route the wires to where you will mount the switch and make the connections. Be sure the wire you attached to Orange/Light Blue is connected to the middle terminal of the switch. You can mount the other two wires on any of the other two terminals. Keep in mind, when the switch is to the left, it is actually clamping the the diode on the opposite side of the switch. For example, position 1 is actually clamping the diode on position 3 and vice versa. Whether you are using crimp connectors or soldering, make the connection and either heat shrink or tape to prevent short circuiting.

Method #1: Flip the switch to either side. Start your vehicle. If the vechile does not start then you have the diodes installed backwards. Go back to where you made your connections at the map sensor wires and flip the diodes around. Be sure the striped side of each diode is towards the map sensor wires.

Method #2: Start the vehicle with the switch in the middle position. If the car starts ok then flip the switch to either side. If the vehicle begins to hesitate, rough idle, and then shut down you have the diodes installed backwards. Go back to where you made your connections at the map sensor wires and flip the diodes around. Be sure the striped side of each diode is towards the map sensor wires.
STEP 13. JOB COMPLETE!

Route the wires to where you will mount the switch and make the connections. Be sure the wire you attached to Orange/Light Blue is connected to the middle terminal of the switch. You can mount the other two wires on any of the other two terminals. Keep in mind, when the switch is to the left, it is actually clamping the the diode on the opposite side of the switch. For example, position 1 is actually clamping the diode on position 3 and vice versa. Whether you are using crimp connectors or soldering, make the connection and either heat shrink or tape to prevent short circuiting.

Your finished! Enjoy your new mod and show all your friends what you can do :)
 

 

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or its parent company VW AG or Audi AG.
For more info or questions email: info@pocketrocket.ca