I think I found it. I will have to invest in this. I did a 9007 hi/lo install and those came with the original kit. I was wondering why I had to do that. Now I know
http://www.ddmtuning.com/Products/HI...Wiring-Harness
"Use this relay harness to connect HIDs to cars with very small gauge wiring that cannot supply the initial surge current required to light the bulbs reliably. Symptoms indicating the harness is required would be intermittent starting or lights going out after being turned on for several minutes and requiring you to turn the lights off and back on for them to turn back on again."