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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
unplug the relay and take some spare wire and connect 86 to pos and touch 85 to ground. You should gear the relay make a clicking sound when you touch the neg. If not you have a bad relay...
Behind the knee bolster is a normally not-used harness. Four wires, if I remember correctly. One of those is a switched-hot (violet/black, I think, but confirm with a meter). Take that switched hot to your rocker switch. Continue from the rocker switch to one leg of the low-current side of the relay. Put a 3A fuse in there somewhere (probably before the switch). Then ground the other leg of the low-current side. Take a HEAVY lead from the battery positive through an appropriately-sized fuse to a leg of the high-current side of the relay. The last connection is from the other high-current leg of the relay to the lights. The only other connection is to ground for the lights.
You can use the hot side of the high beams to trigger the low-current side of the relay. You can use the rocker switch to interrupt that, if you want. Yes, you DEFINITELY need the relay. Make sure you fuse it all, so you don't let the smoke out.
ok the green wire i have going from the relay to the rocker switch. the rocker switch has three slots. two short and a long one in the middle. i have the green wire in the longer one and the yellow wire in one of the short ones