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Thread: Heated Windscreens

  1. #1
    Join Date
    Jan 2007
    Posts
    93

    Default Heated Windscreens

    Has anyone installed a set of heated windscreens on their series trucks? I just pulled out my old glass for a set of heated windscreens and was hoping to see some pictures of a completed set with wiring etc.

    Pete

  2. #2
    Join Date
    Jul 2010
    Location
    Auckland, NZ
    Posts
    451

  3. #3
    Join Date
    Nov 2007
    Location
    NY
    Posts
    384

    Default

    None of the threads above answers the original posters question of wanting to see a completed set with wiring
    1965 109 2door hardtop (restored years ago)
    1971 88 (restored and as new)
    1967 88 (the next project)

  4. #4
    Join Date
    Oct 2006
    Location
    Phoenix AZ
    Posts
    1,358

    Default

    What are you wanting in the way of a wiring diagram? They are comparitively high draw so treat them like adding relays for your headlights. If you need a diagram for that then run a search for headlight relays and I'm pretty sure you'll find a thread with that info.

    Each side operates independantly so install a switch and relay for each windscreen. As your harness is most likely of unknown/questionable condition run a large gauge wire for a dedicated power feed to the battery. Most importantly fuse all circuits. IIRC 20A fuses should work but if in doubt start low amp and work your way up until you find a rating that doesn't blow in normal use.

    If you want timers or any such fancy thing then your on your own with the design of your circuit based on what parts you use.

  5. #5
    Join Date
    May 2010
    Location
    Rutland, Vermont
    Posts
    757

    Default

    I have a set in my 109 project. They have 2 wires coming out...power and ground. Wire them into a relay and a switch. Be sure to fuse the switch or switches (if wired independantly) and fuse the relay/s. The circuit is pretty straight forward if you have some basic DC electrical knowledge. I'd pull the power from a switch block that is energized when the key is turned on.

  6. #6
    Join Date
    Nov 2006
    Location
    Mass.
    Posts
    1,796

    Default

    Similar thread started here as well:
    http://gunsandrovers.yuku.com/topic/6094

  7. #7

    Default

    You don't want to run the main relay power thru the ignition switch due to the amp load of the screens. The ignition switch contacts are weak enough.... Run the relay actuation power from the ignition 'on' side of the switch, off of the white (unfused) side thru a fuse, or from the green (fused) side of the fuse box. Run the main screen relay power from the brown (always powered) side of the fusebox or starter solenoid. This way only the small relay actuation power is going thru the ignition switch.

    Bob

  8. #8
    Join Date
    May 2010
    Location
    Rutland, Vermont
    Posts
    757

    Default

    Quote Originally Posted by siiirhd88 View Post
    You don't want to run the main relay power thru the ignition switch due to the amp load of the screens. The ignition switch contacts are weak enough.... Run the relay actuation power from the ignition 'on' side of the switch, off of the white (unfused) side thru a fuse, or from the green (fused) side of the fuse box. Run the main screen relay power from the brown (always powered) side of the fusebox or starter solenoid. This way only the small relay actuation power is going thru the ignition switch.

    Bob

    I forget I am talking about rover wiring here. Was thinking of more modern switched igntion power. Yould always get a fancy and safe and put in a master battery/alternator switch that energizes/de-energizes the whole truck...like we use on race and rally cars.

    Something like this:

    http://www.weekend-racer.com/master-...ion-p_319.html


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