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      11-23-2012, 10:11 AM   #6
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Drives: 2016 F10 M5
Join Date: May 2012
Location: NJ

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Originally Posted by thebishman View Post
Almost guarantee one of your connections isn't secure.
Originally Posted by nugent View Post
I'm using hardwire connectors that came with the v1. plug everything in, turn car fully on and I get no power in unit. how can I test connectors? I'm thinking goto RadioShack tomorrow and get volt meter to make sure the green brown wire has the right voltage. what external 12 volt source can I use to test connectors?
Originally Posted by nugent View Post
I figure I'll also get new wiring harness connector too.
Assuming you tapped into the correct wires, as Bish said the issue is a bad connection. The blue tap connector that comes with the V1 is for 14 - 18 guage wire. The OP in the installation guide used red tap connectors that are for 16 - 22 gauge wire. The wires you tap into in the overhead console seem to be either 18 or 20 gauge. To utilize the blue tap connector you need to take extra care that you get through the wire casing so the connector can make good contact. I also used blue tap connectors and to assure a tight connection I did two things:
1. Use needle nose pliers to squeeze the metal "U" the tap connector that the wire in the overhead console will slide into. Making it a little bit narrower will help the connector cut through the wire casing.
2. Once you snap the connector shut, gently slide it back and forth on the wire.

Try these two things and see if you can get it to work.
Current: 2016 Silverstone M5, 2014 Anvil WW Jeep Wrangler
Previous: 2013 Monte Carlo Blue M5 (ED on 9/1/12), 2009 Carbon Black M5, 2006 Silverstone M5, 2003 Sterling Grey M5, 2000 Anthracite 540i6, 1998 Jeep Grand Cherokee 5.9Ltd, 1990 Eagle Talon TSi AWD, 1978 Mazda RX-7