The rear speakers do not work in my audi A3, apparently its an optional extra. is there wiring in place and is it simple to connect

IT CAN ONLY BE IN 4 PLACES, CALLED CKP.
FRONT, MIDDLE OR REAR OF CRANK SHAFT
SOME ENGINES REAR SENSOR BEHIND FLYWHEEL. now you know where to look.

THE KEY FACTOR TOO IS THE TONE WHEEL
3 PLACES ON THE CRANK, OR OMG, JUST SLOTS IN THE FLY WHEEL.,
GOOGLE STINKS AT FINDING IT.
THE A3 IS NOT SOLD IN USA, SO WHERE ARE YOU.?
NO VIN POSTED SO GET THE EXACT ENGINE 2.0L DIESEL
INLINE 4 TDI, 2.0 L I4 TDi

2.0 R4 16v TDI CR 81-176kW (EA288)LISTED FOR

110 kW (150 PS; 148 bhp) at 3,500 rpm; 320 N?m (236 lbf?ft) at 1,750-3,000 rpm - CRBC Audi A3, 135 kW (184 PS; 181 bhp) at 4,000 rpm; 380 N?m (280 lbf?ft) at 1,750-3,000 rpm - CUNA, CUPA Audi A3,


CRBC?


HERE I THINK REAR. LEFT SIDE

COOL VIEW NO, LOTS OF GOOGLING TO FIND IT.

you must check wiring cable of left speaker-reconnect antenna cable and check if it is firmly connected and apply contact cleaner over faders.

sounds like it getting hot and stops.

However if its the rear one it could be the wiring loom in the connection between boot door and frame .

you may need to go through the menu on the radio/stereo & check if the fader is on just the front speakers, then turn it the other way to bring in the rear speakers, just like left & right balance

as long as it is audio out then you cant go wrong. same power from your stereo on you deck you get and will be dividing all the power like sharing each other. parallel connection is the best one . but not much as when you hooked it to an amplifier. auxiliary is different which is another option like adding more components to your car.

have you checked the wire thats runs from the car body through a rubber trunking into the rear door ?? these break so the rear wiper doesnt work

try connecting them to a small radio or tape player to see if they still work ?? if they appear to work ok on a small set then i would be inclined to check the colours on the speaker wires then rmove the radio and try connecting another known to be good speaker to the output on the radio and if that works ok then renew the feed wires to rear speakers because thats where your fault would lie for whatever reason like a mouse got in or seat crushed the wires or whatever

Are all the fuses still ok

Hi, had total issues with this too! Your back speakers arent going because they are amped by the factory amp in the boot. You have to provide power to the amp so that it will turn the rear speakers on. This was a white and black striped wire in my car (Audi A3 1997) The rear speakers are blue /green and brown/red (left rear) , and the LH rear is brown/red and (forgotten colour) but the wire on the bottom left under those two brown/red wires on the 20pin harness. If you wire it all up like this then your rears should be going :)

You don't want to fit that - it's the factory amplifier for the rear speakers (the rears are amped, the fronts are not). You need to run new wires from the head unit back to the new rear speakers so that the speaker-level outputs from the new head unit are used to drive the new speakers.