How much is it to check electrical problems on 2000 VW Jetta?

So i'm having all kinds of electrical issues, my alarm will randomly activate, the signal lights will go off continuously as though the alarm is being activated. my door locks will sometimes not work, and all this is really pissing me off. i live in the san marcos, tx area. any suggestions on where to take it?How much is it to check electrical problems on 2000 VW Jetta?Go to someone who has the diagnostic equipment as they will charge you around $100( cheaper if you go to a small garage) to find the fault and also tell you how much it will cost to repair.How much is it to check electrical problems on 2000 VW Jetta?about 150 to 500.00 depending where you get it checked and what kind of a problem hard to price most electrical is not visual