[Main C900 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos electrical issue? Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by ryan [Email] (#2222) [Profile/Gallery] (more from ryan) on Sun, 28 Apr 2013 22:47:06 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

Wanted to see if this appears to be an issue. Took off driving the car (it had sat for a week). It was a fairly hot day, so turned on the A/C full blast, and since I was going on the freeway, also turned on the headlights.

All off a sudden the A/C fan started running very slow, and I looked down at the voltmeter and it was below 12V. Turned off the headlights and after awhile the A/C started blowing cold and full blast again. Later in the day, I also turned on the A/C full blast, headlights, stereo. The voltmeter was always hovering just above 12V, of course a lot less if you had to stop for awhile in traffic on the freeway.

I seemed to remember in the past, that if one was cruising on the freeway, that headlights, A/C, and radio should be no problem, and you'd be well above the 12V line, sort of almost in the middle of 12V and 14V. In this case it was always hovering just above 12V. Is this how it should be? Was it maybe just because it was a hot day?

The car's battery (Interstate) isn't more than two years old. The alternator was replaced last year, though I haven't gone and checked what was put in there and what amperage. (Done by SAF in Santa Clara...).

-ryan
'88 900 Turbo

posted by 108.88.224...

• electrical issue?, ryan , Sun, 28 Apr 2013 22:47:06 <-- Viewing This Message
  • thanks, ryan , Mon, 29 Apr 2013 17:08:31
    • Re: thanks, saabaddict , Sun, 5 May 2013 23:31:17
    • how you measure matters..., Snowmobile , Wed, 1 May 2013 03:41:46
  • After checking the VR ..., RS , Mon, 29 Apr 2013 09:03:50
  • I'd start with VR brushes and VR itself (n/m), Siegfried, Sun, 28 Apr 2013 23:55:53
    • Re: I'd start with VR brushes and VR itself (n/m), ryan , Mon, 29 Apr 2013 01:22:59
      • Re: I'd start with VR brushes and VR itself (n/m), Snowmobile , Mon, 29 Apr 2013 03:00:22
        • Last time I had these issues, Notnoel , Tue, 30 Apr 2013 11:26:17

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