Trying to Install DEH 9500 bhs (pioneer)

[dr.gonzo]

Into a 91 318is with a 4 speaker non premium sound system. Please help I have speakers wired correctly but no power

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[ecsk]

No power, mean the unit can not power on ????
Are the red, yellow and black wire of the HU connected correctly ?

[dr.gonzo]

Yes, were are gonna hook up the head unit to a 12 volt power supply (having friends who are electrical engineers is awesome)

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