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Author Topic: Car sluggish in Auto and several dash lights on  (Read 7115 times)

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randomspam

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Re: Car sluggish in Auto and several dash lights o
« Reply #15 on: 12 December 2006, 21:42:15 »
ok just done this with a friend, hopefully it was right he had a manual multimeter, we set it to DC and got a reading of 27.3 with the car off and it rose to 37.9 with the engine running.

Does this sound right or wrong?
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TheBoy

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Re: Car sluggish in Auto and several dash lights o
« Reply #16 on: 12 December 2006, 21:47:36 »
Quote
ok just done this with a friend, hopefully it was right he had a manual multimeter, we set it to DC and got a reading of 27.3 with the car off and it rose to 37.9 with the engine running.

Does this sound right or wrong?
Bloody Hell  :o
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TheBoy

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Re: Car sluggish in Auto and several dash lights o
« Reply #17 on: 12 December 2006, 21:48:58 »
Quote
Quote
ok just done this with a friend, hopefully it was right he had a manual multimeter, we set it to DC and got a reading of 27.3 with the car off and it rose to 37.9 with the engine running.

Does this sound right or wrong?
Bloody Hell  :o
Actually, on reflection, I reckon you may have read the wrong scale....   ...what are the other possibilities...?
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randomspam

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Re: Car sluggish in Auto and several dash lights o
« Reply #18 on: 12 December 2006, 21:55:33 »
really? oh nuts, what might I have done wrong?
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TheBoy

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Re: Car sluggish in Auto and several dash lights o
« Reply #19 on: 12 December 2006, 21:59:49 »
Was it an analogue meter, ie one with a needle?  If so, probably wrong scale (there are usually more than one scale on these - eg 1 - 30v, and 1 - 15v etc...)  A photo of meter may help ;)
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randomspam

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Re: Car sluggish in Auto and several dash lights o
« Reply #20 on: 12 December 2006, 22:06:44 »
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TheBoy

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Re: Car sluggish in Auto and several dash lights o
« Reply #21 on: 12 December 2006, 22:10:16 »
That one is digital....
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nixoro

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Re: Car sluggish in Auto and several dash lights o
« Reply #22 on: 13 December 2006, 08:47:50 »
If your not sure on doing the test yourself try getting it to a tyre battery place they tend to do the tests for free, although I would definately try STS if you do as I had mine done there and it was free :y
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Marks DTM Calib

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Re: Car sluggish in Auto and several dash lights o
« Reply #23 on: 13 December 2006, 08:51:40 »
Where abouts are you?
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randomspam

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Re: Car sluggish in Auto and several dash lights o
« Reply #24 on: 13 December 2006, 08:52:21 »
sorry, i'm being a bit thick, it was digital, I was thinking of about the main dial control being analogue rather than just buttons to press. So it is exactly the same as the one in the pic I last posted.

Can someone tell me what kind of readings should I be expecting to see if it's knackered/partially discharged.
« Last Edit: 13 December 2006, 08:53:17 by randomspam »
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rpont

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Re: Car sluggish in Auto and several dash lights o
« Reply #25 on: 13 December 2006, 12:06:49 »
With the meter set to DC Volts you should get 12. something (.6 to .9?) with engine off and up to 14 with it running. There should be a common connector on the meter and one marked volts and you use these two for the leads. There may be one for high current (10amps for example) that you don't want to use for voltage, it will just blow the fuse.

With those reading either the meter is not set correctly, it's faulty or the battery has had it. The highest I've ever seen is 17volts on a car when the voltage regulator failed. The wipers were somewhat quick and the lights rather bright.

Check the meter on a torch battery or something to be certain that it's working properly.
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randomspam

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Re: Car sluggish in Auto and several dash lights o
« Reply #26 on: 15 December 2006, 22:14:48 »
hi, quick update, just tried friends multimeter on DC 20v on a 1.5v battery and it came up as 0.02v, tried again on several other 1.5v batteries and it did the same. Tried on the car and it came up as 0.21 and 0.32 so we've come to the conclusion that the multimeter is dodgy, he has told me it did catch fire at one point previously  ::)

I'll buy a brand new one tomorrow  ;)
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rpont

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Re: Car sluggish in Auto and several dash lights o
« Reply #27 on: 15 December 2006, 22:26:00 »
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I'll buy a brand new one tomorrow  ;)
Good move  :)
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TheBoy

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Re: Car sluggish in Auto and several dash lights o
« Reply #28 on: 17 December 2006, 10:23:39 »
Quote
hi, quick update, just tried friends multimeter on DC 20v on a 1.5v battery and it came up as 0.02v, tried again on several other 1.5v batteries and it did the same. Tried on the car and it came up as 0.21 and 0.32 so we've come to the conclusion that the multimeter is dodgy, he has told me it did catch fire at one point previously  ::)

I'll buy a brand new one tomorrow  ;)
Yes, that meter is Donald Duck'd.
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randomspam

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Re: Car sluggish in Auto and several dash lights o
« Reply #29 on: 19 December 2006, 16:21:14 »
right, finally got hold of one, started the engine and measured 18.10 at first and then 18.5 the next 3 tries.

The lights don't seem really bright and the wipers don't seem that quick to be honest.

I drove it on sunday and a curious thing happened, I drop the electric windows and once down they completely stuck there, no response at all. I had to pull over and start the car again and then they worked.

Ok what now!?
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