Quote:
Originally Posted by Nicul15
 dont even think that switch would be able to run your own custom circuit with a relay. |
No. The panel harness is multiplex. Which means the same wire can carry voltage one second and data the next. You try to modify it to do ANYTHING other than how General Motors' engineers intended you can fry the panel or ECM or Lord knows what else inside the dashboard.
If this guy lets his friend try to Jerry rig it he's going to f--k his car up.