Hello.
Does anybody have Bose audio system wiring diagram for 92 or 93 w140? Im looking to incorporate aftermarket radio with stock Bose amp and in need of wiring diagram. Bought car with aftermarket radio that was installed by butcher shop looks like So need to redo my system.
Thanks for any help

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1999 ML430 Silver 135k ml
Smoked LED taillights, Alpine in-dash DVD player, 12" sub, Pioneer components, 2 amps, 4200k HIDs, ML55 headlights, 20" rims, mirror LED blinkers

SOLD. 1996 E320 145k ml. Burgundy

SOLD but miss it everyday 1992 500sel Black
Chime buzzer mod,Alpine CD/MP3 player with stock amp,Euro headlights,S600 grill,20" rims, BEST CAR EVER!

SOLD. 1990 300E White
187k ml,smoked tails,Euro headlights,17rims,Intake,12" sub in first aid kit,alarm/autostart,buzzer mod

As you noticed it is a complicated system, even with diagrams adapting is almost imossible. The origional system consisted of the control in the dash, the tuner mounted in the trunk at the base of the drivers side rear wheel. They were connected by a large "din cable". If the optional CD was installed this cable went thru it before going to the tuner. The two outputs from the tuner went to the "Bose" amp at the top of the wheel arch (common failure and expensive) located way back. The Bose fed eleven speakers, two in each front door in enclosures, one in each rear door in enclosure, two on each side (2ohm) tied together on the rear deck, and one behind the rear view mirror (tweter). The side to side was handled by the forward control to the tuner and the front to rear was handled by a rotary switch controlling the "Bose amp". The two out board speakers on the dash (if you got them) were fed from the CTEL and have no relationship other than celullar audio. The wiring is intigrated into the looms, along with the CTEL cables.
Most people have started from scratch and interfaced in the door 'kick" panels to the speakers. The antenna had to be routed to the front since it went to the tuner,