Author Topic: Alternator surge on starting  (Read 214 times)

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Offline MarkB

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Alternator surge on starting
« on: November 12, 2017, 01:39:05 AM »
Hi, just wondering if anyone else 8v does the same as mine.

I turn it over and start her up without issue but things like the heated rear screen won't switch on and the fan speed is reduced until I rev it.

Is this normal for an 8v? I don't remember my red top or v6 doing this?

Also the heated seat don't switch on immediately and take a minute or two to actually power up, you switch them on and then the switch illuminates a while later but not straight away and the seat starts to warm, any ideas? Maybe a relay somewhere?

Thanks

Offline sealeysonic

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Re: Alternator surge on starting
« Reply #1 on: November 12, 2017, 14:29:48 PM »
As far as i can remember my 8v was the same...theres a lot of current draw when cold starting...i use to wait a min to let it all "settle" then put on the seat etc.....if you turn it all on as soon as you get in and start the Alternator will struggle...the output is only 100amp...unlike other calibras that have 120 amp ones......the rear defrost will suck up power too....!!

Ya carnt just get in and start up and switch every thing on like you can in newer cars.

Offline tristandimond

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Re: Alternator surge on starting
« Reply #2 on: November 12, 2017, 16:29:56 PM »
That is strange I have never had anything like that on my Ecotec.   :-\
Is the battery fairly new and does it turn the engine easily? the only thing i could think of is if the battery is a bit weak and so takes a bit of charge after starting to let you use the electrics.
1998 Cally 16v SE8 (daily)
1997 Cally V6 (project)
1999 Jaguar XJR 4.0 V8 Supercharged (Toy)

Offline MarkB

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Re: Alternator surge on starting
« Reply #3 on: November 13, 2017, 09:35:06 AM »
Hi,

Thanks for the responses, yes its a new battery just a few months old and it is starting ok.  If its usual behaviour for an 8v then no problem, I just wanted to make it wasn't an isue that was building into something bigger.

It just seemed strange as I hadn't seen it on any of my previous Calibra's but this is the first 8v I've had.

Offline Jepwee

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Re: Alternator surge on starting
« Reply #4 on: November 13, 2017, 17:33:55 PM »
Hi ,
 Sorry to say every button worked ok this morning on my 8v, however I must say that the car is garaged and the Outside Temp indicated 4 degrees.
Cheers