Help installing bose factory amp & speakers to new radio OLDS BRAVADA '00

[hooty7734]

Hi I need help with getting my factory speakers working again.

I am using the scosche fai 3a piece to connect the wires but my cars wires are strange i have a LF+, shield, common, RF+ and LR+, shield, common, RR+ that run to the amp. How should i wire these so i can get some sound??

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[hooty7734]

maybe someone could help me by explaining what shield and common wires are?

 

[AlterEgo99 5,000+ posts]

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[michaellane 5,000+ posts]

post pics of the amp

 

[silvercookie 5,000+ posts]

shield/common is most likely the negative.

 

[hooty7734]

I need to know how to connect the common(red) and the sheild(yellow)