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Help: Somethings Wrong, Maybe Electrical

Ruffels

By Ruffels,
in General Maintenance

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Ruffels Veteran

Ruffels

Posted
Posted

hey everyone, driving today and the car just didnt seem good

the car couldnt hold its idle, pretty much dropped to 200rpm or stalled unless i kept the throttle up

the windscreen wipers were going extreamly slow

and the power windows were also going slow

and the stereo wasnt really working either

i took my 1 week old battery down to where i bought it and they did a test on it and it seems to be fine

could it just be my alternator, or something worse? what are peoples thoughts

cheers

-Ruffels

on that note does an rb5 alternaotr fit on an rb20?

Ruffels Veteran

Ruffels

Posted
  • Author
Posted

it died :laugh:

but i drove on that battery for 6 months (since i bought the car) and slow over time jut took longer to crank the engine over, til one day she just didnt start

cowie165 Veteran

cowie165

Posted
Posted

ok cool. Did you replace the old battery with a similar one? Sometimes people downsize and go too far, leaving a battery that measures 12V and 14.5V when it needs to but isn't large enough to run the electrics properly.

I agree with your diagnosis. It could be the alternator (but unlikely), but I wouldn't rule out the battery.

What CCA rating were you using for new and old batteries?

PS It sucks when your car plays up and you're trying to work it out. I have a Mazda that has a jumpy idle that I'm still trying to sort :laugh:

Ruffels Veteran

Ruffels

Posted
  • Author
Posted

nah it was a bigger capacity battery (commodore one) and i jsut replaced it with another one the same...

had the battery professionally analysied tody, apparently it isnt the battery, just finished in the garage putting a new alternator in, hopefully this works

i'll report back

-Ruffels

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