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Electrical problems maybe?
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Taskos
Firing on two.
Joined: February 22nd, 2012, 10:34 am
Posts: 418
Location: Greece
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 Re: Electrical problems maybe? Because of the radio-cd backup capacitor.
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I've Been Wrong Before.
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| September 22nd, 2012, 8:50 pm |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: Electrical problems maybe? Ah, does the car have a radio? Seems to be the permanent live feed to a radio, to retain the settings in its memory, which causes that little spark on connection. ken 2CViking wrote: ken wrote: Viking,
that's the whole point of them being on the same circuit, so that they all go live when the ignition is switched on.
Unless you cut the individual wires leading from the fusebox, you will find that there's a path to earth via the oil pressure switch, points ( intermittently), fuel gauge and so on.
The only checks you need to do on the wire which is feeding 12 volts to the voltage regulator is that there's no voltage with the ignition 'off' and 12 volts with the ignition switched 'on'.
Problems with too much voltage being delivered by the alternator are most often caused by a poor earth for the regulator.
On a couple of cars, I've had to run a separate earth wire from the 3 way plug onto the body or onto the gearbox.
ken I was thinking about that too. Just a bit concerned, I have a small spark when I connect the negative to the battery. 
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| September 22nd, 2012, 8:54 pm |
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J-dub
Aircooled Idiot
Joined: April 24th, 2010, 10:01 am
Posts: 5733
Location: Location Location
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Re: Electrical problems maybe? ken wrote: Ah, does the car have a radio? Seems to be the permanent live feed to a radio, to retain the settings in its memory, which causes that little spark on connection. ken 2CViking wrote: ken wrote: Viking,
that's the whole point of them being on the same circuit, so that they all go live when the ignition is switched on.
Unless you cut the individual wires leading from the fusebox, you will find that there's a path to earth via the oil pressure switch, points ( intermittently), fuel gauge and so on.
The only checks you need to do on the wire which is feeding 12 volts to the voltage regulator is that there's no voltage with the ignition 'off' and 12 volts with the ignition switched 'on'.
Problems with too much voltage being delivered by the alternator are most often caused by a poor earth for the regulator.
On a couple of cars, I've had to run a separate earth wire from the 3 way plug onto the body or onto the gearbox.
ken I was thinking about that too. Just a bit concerned, I have a small spark when I connect the negative to the battery. +"1 Mine does that, I think they tend to draw about 0.8W..?
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1988 2cv 652cc
1993 Toyota Hilux Surf 3000cc runs on Bio Diesel
2004 Toyota Landcruiser Amazon 4200cc runs on Bio Diesel
1998 Daihatsu Hijet 1300cc
2005 Susuki Bandit 650cc
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| September 23rd, 2012, 8:41 am |
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ayjay
Firing on two.
Joined: April 27th, 2012, 6:48 pm
Posts: 709
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Re: Electrical problems maybe? the radio will need recoding now!
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| September 23rd, 2012, 12:16 pm |
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