rsmith95uk
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| posted on 13/5/10 at 03:51 PM |
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Have I Broken it?
After spending some time attempting (& failing) to remove my oil filter, I dropped my ratchet handle down the side of the engine where it
promptly managed to momentarily arc across the started motor terminals.
On checking (after re-filling with oil), I have no charge light working and my multimeter detects no increase in voltage when the engine is
running.
Have I blown the rectifier/regulator or could it be something simple like a fuse?
Cheers
Ray
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Flamez
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| posted on 13/5/10 at 04:01 PM |
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have you looked at the fuse box and main fuse? It would be my first port of call
my build mac1motorsports
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skinned knuckles
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| posted on 13/5/10 at 04:03 PM |
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quote:
Originally posted by Flamez
have you looked at the fuse box and main fuse? It would be my first port of call
+1
A man isn't complete until he's married, then he's finished
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02GF74
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| posted on 13/5/10 at 04:19 PM |
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if charge lamp is notcming one when you switch in igntion, heck it has not blown and check it is receiving 12 V on one end - could be fused.
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rsmith95uk
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| posted on 13/5/10 at 04:23 PM |
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yep - been through the fuses & all looks OK!
What I don't understand is that the charge warning light bulb looks fine, but isn't lighting. However, the voltmeter is reading a charge
of exactly 12 volts whether the engine is running or not.
Cheers
Ray
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r1_pete
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| posted on 13/5/10 at 04:30 PM |
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You should see 13-14v with the engine anything above idle.
Sounds like its blown the reg/rec
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02GF74
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| posted on 13/5/10 at 04:32 PM |
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remove bulb from holder and measure resistance - the filament my look ok but be broken.
then check you have 12 V on one side of the bulb, the side that is not connected to alternator.
then and check wire from bulb to alternator is intact and not dropped off.
remove that wire from alternator and check you see 12 V.
if all that is good, then it looks bad for the alternator.
shorting the starter motor should have shorted the alternator output since that is how it is normally wired.
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fazerruss
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| posted on 13/5/10 at 05:23 PM |
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if it is the rectifier or regulator in the alternator im 99% sure my mum will have a new one in her shed but would need to see a pic of said item.
"if assholes could fly this place would be an airport"
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britishtrident
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| posted on 13/5/10 at 05:48 PM |
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Check the Mega Fuse and/or Max Fuses
 
Rescued attachment thumbnail_mega200.jpg
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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rsmith95uk
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| posted on 13/5/10 at 06:24 PM |
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thanks for the tips lads - looks like the alternator!
Britishtrident - where does the 'megafuse' live - somewhere in the alternator itself I assume?
Cheers
Ray
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stevebubs
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| posted on 13/5/10 at 10:33 PM |
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quote:
Originally posted by rsmith95uk
thanks for the tips lads - looks like the alternator!
Britishtrident - where does the 'megafuse' live - somewhere in the alternator itself I assume?
Cheers
Ray
If it's a kit, you're unlikely to have one. If it's a tin top, then it'll be in the engine bay fusebox....
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