I’ve just now started rewiring my pickup. Confused on the headlight switch. There are seven terminals, labeled B1-B2-P-H-R-D-I. I know B1&B2 are power connections. P is for parking lights (front & rear) H is headlights, and R is for taillights. I don’t know what D & I are for. Can somebody help me out with this? Thanks, Steve.
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