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Looking for a clear answer...I will be replacing the multiplexer on my wife's 2003 EX-V6. Is it plug and play or do I have to have it reprogrammed at the dealer for it to work?
 

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07 Sdn
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354 Posts
No programming needed.
The only thing you have to do is to make sure the multiplex matches your car. For example you cant put an LX multiplex in an EX because the LX multiplex is missing some plug holes for things like sunroof, auto adjust seats, etc.
You can however go the other direction and put an EX multiplex into and SE (and probably even and LX). I know this cause I have done it with my SE and everything is working fine.
 

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07 Sdn
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354 Posts
Nope no programming of key fobs either.
Make sure the fuses on your new box match the fuses on your old box. Swap the missing ones over if you dont see them.
 
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