[Main 95 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos I second the POWERED trailer adapter! Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by Larry West [Email] (#1140) [Profile/Gallery] (more from Larry West) on Fri, 12 Jul 2013 13:27:51 In Reply to: try U-Haul, AeroEd, Fri, 12 Jul 2013 09:20:52 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

Saabs use 7-wire connections in Sweden, and that's how the car is wired. The US allows the archaic 4-wire system to continue on trailers.

Since the US trailer lights do double-duty as brake and signal lights, you have to combine the separate functions of turn and brake from the Saab into what the trailer wants.

There are two adapters that do it:

Unpowered, which simply use diodes to control the current flow. Current is supplied from the same wires that run the lamps on the car. These work, but only if the trailer wiring is perfect. I don't mean just good, I mean PERFECT. Best case, it'll just mess with your bulb warnings, worst (and most common) case, it'll fry fuses left and right.

Powered adapters have a separate, fused source of current from the battery to run the trailer lights. The car's wiring is only used to trigger what trailer light function gets lit up. This takes a very tiny amount of current, and usually, even the bulb warning system won't know. Your Saab's fuses (and wiring) are safe with this kind.

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• trailer wiring 2006 9-5 - is there a kit?, turbosaab , Thu, 11 Jul 2013 11:50:15
  • try U-Haul, AeroEd, Fri, 12 Jul 2013 09:20:52
    • I second the POWERED trailer adapter!, Larry West , Fri, 12 Jul 2013 13:27:51 <-- Viewing This Message
  • Re: trailer wiring 2006 9-5 - is there a kit?, Noel, Fri, 12 Jul 2013 06:19:42
  • Re: trailer wiring 2006 9-5 - is there a kit?, Stephen Goldberger, Fri, 12 Jul 2013 05:59:41
  • Why do you want to tow with your saab?, Mike, Thu, 11 Jul 2013 16:17:07
    • Owners man says to pull over, let cool off,then proceed, Norm9-5, Sun, 14 Jul 2013 18:52:07
    • Everyone tows in Sweden!, Larry West , Fri, 12 Jul 2013 13:15:14
    • It's a great tow vehicle, Les_H, Fri, 12 Jul 2013 06:52:27
    • Why not?, Noel, Fri, 12 Jul 2013 06:02:44
    • Re: Why do you want to tow with your saab?, turbosaab , Fri, 12 Jul 2013 05:33:10
      • The 9-5 will barely notice... n/m, Larry West , Fri, 12 Jul 2013 13:16:23
      • Re: Why do you want to tow with your saab?, Dave from Ontario, Fri, 12 Jul 2013 09:00:54

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