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All credits go to @Av4nt for this A4 Saloon guide and @t8ups for the loom.
This is a small guide to assist with installing the bypass loom to stop any errors from being thrown on the dash when installing LED number plate lights.
First remove the warning triangle at the clip shown. When the triangle is out, remove the triangle holder with the three tabs.
Then remove the plastic cover from the boot locking catch, this just pulls off.
This shows the placement of the 8 clips and 1 screw that hold the boot lining onto the lid, It doesn't matter where you start but a good tip is to get as many fingertips underneath the the lining as possible and pull the lining towards you, The clips will just pop out
The clips look like this.
The clips come out of and go back into these slots.
When the lining is off, look under the lid where the number plate light holder is and locate the wiring loom that plugs into it, remove this.
Take the new loom and plug this into the existing loom.
Plug this back into the number plate light holder
With the new bulb attached to the new loom, the loom tricks the error computer.
The new loom hangs freely so i added this tiny mod to keep it secure so it doesn't rattle against the metal and break, It also keeps it away from the other wired as it gets hot.
Reverse the process and reassemble everything, It is best to start with the top of the lining and get the lug springs lined up as shown, Then push the clips into the slots and they will just pop in.
This is a small guide to assist with installing the bypass loom to stop any errors from being thrown on the dash when installing LED number plate lights.
First remove the warning triangle at the clip shown. When the triangle is out, remove the triangle holder with the three tabs.
Then remove the plastic cover from the boot locking catch, this just pulls off.
This shows the placement of the 8 clips and 1 screw that hold the boot lining onto the lid, It doesn't matter where you start but a good tip is to get as many fingertips underneath the the lining as possible and pull the lining towards you, The clips will just pop out
The clips look like this.
The clips come out of and go back into these slots.
When the lining is off, look under the lid where the number plate light holder is and locate the wiring loom that plugs into it, remove this.
Take the new loom and plug this into the existing loom.
Plug this back into the number plate light holder
With the new bulb attached to the new loom, the loom tricks the error computer.
The new loom hangs freely so i added this tiny mod to keep it secure so it doesn't rattle against the metal and break, It also keeps it away from the other wired as it gets hot.
Reverse the process and reassemble everything, It is best to start with the top of the lining and get the lug springs lined up as shown, Then push the clips into the slots and they will just pop in.
