Just cut off the original head unit harness and then connect the proper wires. The only con I can think of for hard wiring is that it will be harder to put the stock unit back if ever necessary. Quote:
Originally Posted by Kynyption  Well I Decided To Take Some Pictures Anyway. Here Is The Wire Setup From 190rev.
Memory (+12v Constant) Red
Ignition (+12v Switched) Black/Yellow
Ground (-) Brown
Illumination Gray/Blue
Dimmer (none)
Power Antenna Blue
S p e a k e r s
Right Front (+) Black/Green
Right Front (-) Black
Left Front (+) Black/Red
Left Front (-) Black
Right Rear (+) Black/Green
Right Rear (-) Black
Left Rear (+) Black/Red
Left Rear (-) Black     
Any More Questions. Just Ask. |
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1989 Mercedes 190E 2.6 Diamond Blue Metallic
Alpine CDA-9883 w/iPod interface, paired w/Alpine Type S speakers, Alpine 4 channel amp,Euro lights/Smoked Corners, Red Smoked taillights  |