[Main 95 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos It is worth $16 for a new lamp board to attempt the fix Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Thu, 11 Jun 2020 17:32:07 In Reply to: Re: More light issues, same corner of car, Chris Cleeland, Thu, 4 Jun 2020 08:39:17 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

I read the WIS Sequence of Operations for the Rear Parking Lights. The right lamp gets power from pin 68 of the TWICE. The Twice monitors the resistance of the lamp circuit and issues the alarm message that is displayed on the SID stating Lamp Failure.

So, does the TWICE turn OFF pin 68 at the same time it generates the lamp failure message if it senses a failed lamp? The Sequence of Operations does not say so, but with a separate power pin for each lamp is would certainly be possible. All issues have been with the right rear lamp assembly and all lamps are located on that one $16 board.

$16 is relatively cheap compared to shop labor. I just paid 1/2 hour of labor to have a coolant temp sensor re-tightened on my wife's 9-3SC that I had replaced. And I KNOW that sensor was tight when I installed it as I really wanted another 1/2 turn of that sensor to make the electrical connection easier - but it was so tight that I didn't want to muscle the steel bodied sensor into the aluminum head any further for fear of disastrous consequences.

_______________________________________
Saabs owned:
2008 9-5 Aero Sedan, sold at 227K miles
2006 9-3SC 2.0T - Wife's daily driver
2000 Viggen Convertible - Sold May, 2022
1964 Quantum IV Formula Car - Retirement project
2000 9-5lpt Sedan, sold at 318K miles

• How sophisticated is SAAB's lamp sensing system?, MI-Roger , Sun, 31 May 2020 07:24:04
  • Fuse #4 in dash board fuse block?, MI-Roger , Wed, 24 Jun 2020 11:52:18
  • taking a tangent..., AeroEd, Wed, 10 Jun 2020 14:24:36
  • Re: How sophisticated is SAAB's lamp sensing system?, SWEDECAR , Mon, 1 Jun 2020 08:01:15
    • No water damage, MI-Roger , Mon, 1 Jun 2020 11:08:36
  • More diagnostic results. Opinions solicited....., MI-Roger , Sun, 31 May 2020 08:21:57
    • Re: More diagnostic results. Opinions solicited....., bobc , Mon, 1 Jun 2020 05:08:41
      • More light issues, same corner of car, MI-Roger , Mon, 1 Jun 2020 16:05:011
        • Re: More light issues, same corner of car, Chris Cleeland, Thu, 4 Jun 2020 08:39:171
          • It is worth $16 for a new lamp board to attempt the fix, MI-Roger , Thu, 11 Jun 2020 17:32:07 <-- Viewing This Message
            • Re: It is worth $16 for a new lamp board to attempt the fix, thewheell22 , Thu, 11 Jun 2020 17:43:13
          • I considered that possibility, but....., MI-Roger , Fri, 5 Jun 2020 09:47:03
            • how did it resolve?, chris cleeland, Sat, 6 Jun 2020 11:04:25
            • Re: I considered that possibility, but....., thewheell22 , Sat, 6 Jun 2020 10:42:221

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