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No headlights on plow

Discussion in 'Truck & Equipment Repair' started by jman3624, Nov 25, 2013.

  1. jman3624

    jman3624 Junior Member
    Messages: 6

    western unimount plow on 2002 chevy hd ....pluged plow in last weekend every thing worked tonight pluged it in no lites no park lites but turn lites work...the lites do not switch from truck to plow either ...I benched tested the headlights and they work.... confused why they worked a week ago not now one of the relays??? if so which one any help is greatly appreciated thank you..
     
  2. dieselss

    dieselss PlowSite Fanatic
    Messages: 11,001

    Ck your parking light connector on the truckside to plow harness. Should be grey wire? Or Brown? Underhood by the drivers side headlight
    How many.relays do u have
     
  3. jman3624

    jman3624 Junior Member
    Messages: 6

    there is 6 relays
     
  4. dieselss

    dieselss PlowSite Fanatic
    Messages: 11,001

    Oh. A fun one. Try Westerns website. Look under libary then 3 port 4 port and relays. Download that one and there's your wiring diag. The relays are a few pages in. Page 64
     
    Last edited: Nov 25, 2013
  5. jman3624

    jman3624 Junior Member
    Messages: 6

    i'll try it tomorrow thanks dieselss
     
  6. dieselss

    dieselss PlowSite Fanatic
    Messages: 11,001

    K keep the updates coming