quote: "The relay isn't required to operate the road lamps on a 70. The relay is for the running and side marker lights."
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OK I understand, but, if I want my running and side marker lights to turn on with my Road Lamps switch as you suggest as per factory operation , can a 71 Relay be directly pluggged into my 70 harness, or adapted/wired in so it will operate the same as a factory 70 Relay in my 70 cuda ?