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My new radio has an automatic volume compensator feature which when installed correctly increases volume as the speed of the car increases. A single wire for this function is supposed to connect to the speed sensor wire going to the speedometer. The problem I face is that the 1992 Volvo 965 wiring schematic from AllData shows two speed sensor wires(+ and -) going to its speedometer. Has anyone addressed this issue before? Crutchfield was great on all other technical issues but was stumped on this one.
Lawunion
'96 960; '92 960; '87 745 Red Turbo; '86 745 Turbo(for sale); '70 1800E; '67 1800S; '67 122 Wagon; two '66 122 Sedans plus two 122 parts cars (It must be an ilness- Is there such a disease as Volvomania?- In the early 1980's every final exam period in law school found me hunting down and buing another 122 Volvo)
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