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Accessories > Radio > Blaupunkt Boston CC22

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a nice period correct radio

• Removed old radio and antenna jack adapter
  • cut off aftermarket wiring block
  • Re-soldered wires to original wiring block wires and sleeved with shrink wrap

• Blaupunkt Boston CC22 BP2750
  • spec sheet: antique-autoradio-madness.org
  • fitting instructions: manuals.ls
  • pinout
    • [ATTACH=full]89865[/ATTACH]
  • wiring diagram: internet archive
  • ISO Standards > 10487-1 1992 - passenger car radio connections
    • [ATTACH=full]89866[/ATTACH]
    • B1 B3 B5 B7 - speaker positive
    • A4 - battery positive: commutated in vehicle only when A7 contact is not commutated
    • A5 - battery positive: commutated by radio for antenna supply
    • A7 - battery positive: for main power supply, permanent or commutated only when A4 is not commutated
    • A8 - battery negative
  • pinoutguide.com > Car Audio ISO connector pins and signals
    • A4 - 12V battery
    • A7 - 12V ignition

• Micra Wiring
  • [ATTACH=full]89867[/ATTACH]
  • Nissan Micra K11 Service Manual
    • ELECTRICAL.pdf > EL-1009 (P. 10) > Power Supply Routing > Right hand drive model > Wiring Diagram
    • ELECTRICAL.pdf > EL-120 (P. 194) > audio / wiring diagram
    • GENERAL INFORMATION.pdf > GI-7 (P. 13) > How to read wiring diagrams
  • Haynes K11 Nissan Micra Manual
    • 12.15 > Wiring Diagrams - Information for Wiring Diagrams
    • 12.23 > Wiring Diagrams - Nissan Micra 2000 - 2003 (my Micra is a 98 model but matches the colours for 2000+ Micras?...)
    • 12.24 > Wiring Diagrams - Radio
  • wiring validation
    • speakers - continuity test
    • battery - measure voltage to ground point on body
    • illumination - measure voltage to ground point on body + switch headlights on
    • ignition - measure voltage to ground point on body + switch ignition on

• ISO Harness
  • [ATTACH=full]89868[/ATTACH]

• ISO Harness Earth Point
  • [ATTACH=full]89869[/ATTACH]

• single DIN cage: wiki > automotive head unit
  • [ATTACH=full]89870[/ATTACH]

• speakers
  • reusing existing aftermarket speakers in the vehicle
    • Pioneer TS-R1750S > 250W Max, 40W NOM, 4 Ohm Impedance

• lovely
  • [ATTACH=full]89871[/ATTACH]