Toploader Question

Discussion in 'Classic Mustang Specific Tech' started by turbinesurgeon, Apr 26, 2009.

  1. turbinesurgeon

    turbinesurgeon New Member

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    Anybody know what that little switch above the 3/4 shift lever does on a 73 toploader?
     
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  2. turbinesurgeon

    turbinesurgeon New Member

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    No one????
     
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  3. woodsnake

    woodsnake Active Member

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    I can't place "a little switch"... Got a picture?
     
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  4. Rusty67

    Rusty67 Well-Known Member

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    Reverse lights.
     
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  5. D.Hearne

    D.Hearne Banned

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    Neutral safety switch
     
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  6. turbinesurgeon

    turbinesurgeon New Member

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    I have a reverse switch on the shifter which looks original. I don't think four speeds have neutral safety switch's' do they? I will get a picture of it tomorrow
     
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  7. cupcake

    cupcake New Member

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    Interesting. Yes a picture is needed. The reverse lights should be on the case activated by the linkage rod and there is no neutral switch.
     
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  8. turbinesurgeon

    turbinesurgeon New Member

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    Sorry it took so long, here is a pick of that switch.

    //http://cid-1b0b9aed00b20a35.skydrive.live.com/self.aspx/New%20album/000%7C_0044.JPG
     
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  9. turbinesurgeon

    turbinesurgeon New Member

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    000_0044.jpg

    Lets try this
     
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  10. valley firearms

    valley firearms New Member

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    your link does not work. Does it look like this?
     
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  11. valley firearms

    valley firearms New Member

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    Are you sure that is a toploader? I have two and either of them look like that.
     
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  12. woodsnake

    woodsnake Active Member

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    Are there any part numbers you can see on the case or the tail shaft? I think you have a 70's 3+1 OD unit.....
     
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  13. Rusty67

    Rusty67 Well-Known Member

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    I'm 100% certain that is the reverse light switch. If you want to double check me, put a multimeter with one lead on each of those two terminals and shift the trans into reverse. If the circuit completes when in reverse its the reverse light switch.
     
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  14. turbinesurgeon

    turbinesurgeon New Member

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    Its a 73 toploader RUG HEH.

    I tested it with a multimeter today to see if it would close while in reverse and it didn't but oddly enough it closed when shifting into 3rd
     
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  15. Rusty67

    Rusty67 Well-Known Member

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    Strange... its definately the reverse switch...

    How are you puting it into reverse ? From the shift levers or with the shifter handle ?
     
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  16. 2+2GT

    2+2GT Well-Known Member

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    Here's his link:

    [​IMG]
     
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  17. turbinesurgeon

    turbinesurgeon New Member

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    I think the switch is something for emissions. I downloaded a wiring schematic for a 72 and it shows a switch for manual transmissions. One wire from the electronic spark control and the other goes to an emission vacuum solenoid. I don't have that stuff on my car, it must have been removed from a prior owner. The schematic says the switch is open in third and forth but when I tested it closed in third. I found a parts diagram at the same web site which had a lot of usefull info. the switch is number7E449. http://www.7173parts.com/images/tech/illustrations/9881.jpg
     
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  18. 2+2GT

    2+2GT Well-Known Member

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    The Ford book lists a such a switch for 73 Torino and Mustang with 4-speed manual transmission.

    D2OZ-7E449-A Switch, Seat Belt Warning Sensor (D2AR-7E449-BA)

    I'm guessing unless you are hard-core trailered show you won't bother fixing this one.
     
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  19. turbinesurgeon

    turbinesurgeon New Member

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    I guess by when you get to third gear the seat belt warning goes on, I won't be trying to hook this up. I guess people get rid of stuff like this along with those key buzzer relays.
     
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  20. 2+2GT

    2+2GT Well-Known Member

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    IIRC, it was supposed to buzz and illuminate in any gear. The 73 also had a sensor strip in the seat bottom, and switch in the belt buckle, to make sure both front seats had their belts on, even a bag of groceries. Remember, this was the heyday of the safety fascists. Some cars disabled the starter unless everybody had a seat belt on.
     
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