Hi Scott:
Thanks for your reply. The car did have a cell phone at one point but not anymore. Where do these cell phone wires connect to? When the fuse blows it does not affect the radio, i simply believe it is connected to the stereo installation because all the stereo wires run near the vacuum pump for the locking system. The stereo shop installed a 4 channel amplifier in the trunk, a clarion srv303 subwoofer where the first aid kit is (fits great btw), 6 speakers (2 in the dash run off the head unit, 2 in the map pockets of the door run off the amp, 2 in the rear deck run off the amp, no fader switch). What do you think I should do? Thanks so much once again for your continued help.

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1985 190E 2.3-16 Euro