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Old 07-03-2011, 09:58 PM
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Car: 2000 GLS - 2.0L - Bright Blue Pearl - 5 speed
Default Battery disconnect - 2000 VW New Beetle GLS ?

per procedure, i am suppose to disconnect the battery before i attempt to install a replacement electric side view mirror switch (the round knob broke off). I know I have to reset the digital clock, the one-touch up and one-touch down power window feature, and re-code the radio with the car's radio code. BUT do I have to reprogram the ECM as well with a scan tool? Actually, I do have the Vag-Com cable and software but haven't really learned how to use it well yet.

Man, I just feel like trying to replace the switch by just removing the door panel and taking my chances on the battery disconnect (not doing it).

Advice?

Thank you,
George
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Old 07-04-2011, 11:43 AM
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No need to disconnect the battery. That's always put in there just to protect the manufacturer from any liability should something go wrong.

Just do everything you need to to access the plug and replace the switch.
The only time you really need to disconnect the battery is where you're working on electrical components in the engine i.e. alternator,starter,etc. or wiring in accessory components that require tapping into the fuse or relay block.
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Old 07-04-2011, 06:37 PM
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I disconnected mine the other day to repair a couple of airbag/seatbelt sensor wires under the seat the other day. No worries.
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Old 07-04-2011, 06:47 PM
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Disconnecting the battery for a prolonged period of, i don['t know how long, will RESET your ECU.

I replaced my door mirror knob and didn't disconnect the battery to do it

The reason a lot of people disconnect the battery is because of the fear of the airbag going off. I have taken out the center radio pod, swapped the bumpers for votex one's and had my seats re-trimmed and swapped over and never had an airbag go off

It's like if you buy paracetamol and the leaflet inside says, "You may suffer from blindness, heart attack, itching of your ass " It's just to protect VW

Go ahead and change it

If the airbag goes off i'll eat my 4th of July hat
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Old 07-04-2011, 06:49 PM
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Quote:
Originally Posted by Hackster View Post
I disconnected mine the other day to repair a couple of airbag/seatbelt sensor wires under the seat the other day. No worries.
If i did those mods i guess i would disconnect the battery
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Old 07-04-2011, 06:57 PM
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Quote:
Originally Posted by Blugg View Post
If i did those mods i guess i would disconnect the battery
Mmmmm... Mods? (Unless those wires breaking is so common that fixing them is considered non-stock... )
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Old 07-04-2011, 07:23 PM
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Quote:
Originally Posted by Hackster View Post
Mmmmm... Mods? (Unless those wires breaking is so common that fixing them is considered non-stock... )
You mentioned Air-Bag

That is the only time i would definitely disconnect the battery..

Any other time i just rip it out, do what i have to do, then put it back, hoping the airbag goes off, so i can start a thread (With photo's) on here of what i did and what happened

Too much " Oh no, what happens if i jump off this mountain into that paddling pool below " on here
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Old 07-05-2011, 01:32 AM
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Default battery disconnect

thanks for advice guys - I agree - George
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