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Well here I am again with another gauge question? Well not really..................I put a meter on my battery this morning to see how much juice is being put back in the battery by the alternator with everything on. The number is 13.8.............Is that reasonable? You see my battery has a habit of draining. I know the manual even warns you about leaving the car to sit for any length of time for this very reason. Alarm system or some fool thing. I am evaluating my battery to see if I should go for a new one or not. Now a days $100.00 is a little more precious. I have been told, wives tale or not, that if a battery is full the numbers could be lower than if it is not fully charged. or ? When I trickle charged my battery it did not go to zero on the meter which tells me she is on the way out.
Ross
Ross Carley
Newtown, CT 06470
1992 968 Tip. Cab. (Slate Gray) purchased 4/2008
1965 356 SC Coupe (Iight Ivory) purchased 10/1976 $2500 ( now undergoing complete restro help me chose a color)
1970 914-6 (Irish Green) purchased new March 1970 $6800 sold it 10 months later a real POS
1964 356 SC Coupe (Irish Green) purchased 1969 $2700 blew it up on the Tapanzee Bridge 3AM at 90+
1966 Austin Healy 3000 (BRG) purchased 1968 They came as a set $1200 for both
1966 Austin Healy 3000 (Guard Red) purchased 1968 " " " " " " "
1961 Austin Healy 3000 ( Silver Blue) purchased 1967 $400
1953 Le Francis (Le Mans White) 3 speed twin overhead cams purchsed 1966 $600
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What should voltmeter gauge on dash read?Lately it has been reading just above 12(driving lights and AC on).Seems like it used to be higher than that.Seems like all the gauges are getting goofy.Temp gauge flucuates more as well and oil pressue gauge is running lower(just below 4 at speed/hot and around 2 at idle(hot).Car is 17 yrs old and right at 100,000 so things will start to happen.Seems to run great(as long as I don't pay any attention to the gauges).
92 Black 968 Coupe
2001 Silver Audi TT Quattro Coupe
97 LandRover Discovery SE7 "off road beast"
Past 944s-83,84,86 Turbo,88S
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Use a volt meter to verfiy the gauges are correct. But it does seem low, could be time for a new voltage regulator on the alternator. Also time to check the cables while your in there...
Current:
2016 Cayman S
Former:
94 968 Cab 6 Spd. Black/Cashmere D1R SC
86.5 928 Garnet Red Metallic
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Sorting this stuff out can be a process. I had battery draining problems. Changed battery - still didn't hold charge. Regulator was worn, changed that. Alternator output was OK but still had problems with charge at battery, so changed cables. This was better, but still battery drained 2 months later. Had battery swapped under warranty. Now everything is fine. Lesson: don't assume its one thing. In my case it was regulator and cables and a faulty new battery (old battery may have been OK!)
Cheers
Ian
92 968 Coupe, Polar Silver/Black, 6 speed
88 928 S4, Lagoon Green/Cobalt Blue
79 911 SC Track car
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Didn't mean to hi-jack this topic from original post but in the last year replaced alternator,battery and 3 weeks ago starter.Like I said,runs great but(I'm a gauge watcher) and they are all over the place.Trying to get my LandRover ready for National Rally in Leadville,Co. and don't want to spend any un-necessary funds on 968.
92 Black 968 Coupe
2001 Silver Audi TT Quattro Coupe
97 LandRover Discovery SE7 "off road beast"
Past 944s-83,84,86 Turbo,88S
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Check your cables then, the grounds probably need a cleanup if they haven't been in a while. The positive/negative cable kit sold by one of the sponsors here is a great upgrade to the electrical system on these cars.
Current:
2016 Cayman S
Former:
94 968 Cab 6 Spd. Black/Cashmere D1R SC
86.5 928 Garnet Red Metallic