glitched

im in the middle of installing system, ive removed the rear speakers and are using the stock connections to run a line out put converter (converts the speaker level inputs to rca lines) im just pluging those male quick connects into the stock connections... but what colors are what? the left has a greay and blue wires each with a stripe and the left has an orange and a brown wire, the brown has the stripe... which ones are postivive? the car is a 92 si

Type Si

Blue = +
Grey = -

Orange = +
Brown = -

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93 Si
Stolen 12.9.02

03 350Z
Ordered 1.11.03
Delivered 3.20.03