Quote:
Originally Posted by Mad Dragon
The car usually knows which modules are causing excessive current draws. If you splice into an unknown module, it will cause problems.
Performing any kind of electrical modifications on these cars is not a good idea, especially if you don't know how the different systems interact. Splicing into what you think is a 12V source could cause all kinds of bus problems.
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Sure, but jumping around a relay to supply constant power to the lighter socket isn't going to do anything to the bus. There's no good reason under the sun why the lighter socket can't stay hot all the time.