I believe the blue is to signal the power antenna. Do you have the ashtray and cigarette lighter out? Any chance the brown could be part of the light socket there? I just wired up my head unit, but I don't remember brown with blue stripe.

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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth