Specifications include, but are not limited to: - Trailer shall meet or exceed all current Federal Motor Carrier Safety Regulations 393.9 thru 393.33. - Trailer cord plug shall meet SAE spec. J560 and be wired directly to trailer cord with no adaptors. - Plug to be wired as follows (no other plug wiring will be accepted): White – Ground return to towing vehicle Black – Electric brake controller – or not utilized if trailer has air, hydraulic or no brakes Yellow – Left turn signal and on some light duty tow vehicles, stop/ hazard lamps Red – Stop lamps and antilock device Green – Right turn signal and on some light duty tow vehicles, stop/hazard lamps Brown – Clearance, marker, license plate and tail lights Blue – If air Brake – Continuous ABS power- If electric Brake – Ign. controlled B+ for break-away battery charge maintenance circuit - No adaptors will be accepted. - Trailer cord to be wired to a weatherproof, 7-terminal junction block (Waytek part #47290 or approved equal). - All trailer light wiring (including ground wiring) must be routed to junction block. - Wire splices will be done with heat shrink butt connectors or soldered with heat-shrink. - No wire nuts, closed end connectors or self-stripping displacement connectors (i.e. Scotch Loks). - All lights to be LED. There shall be individual brake (2 ea.) and turn signal lights (2 ea.) for a total of 4 lights . These lights shall be 4” round lights in rubber grommets or 3”x7” oval Lights in rubber grommets. Clearance and marker lights shall be 2” round lights in rubber grommets or a MnDOT approved equal.
