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REED SWITCH :D 

 

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 Post subject: REED SWITCH :D
Posted: Fri Nov 18, 2005 12:59 am 
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anyone got one?!?! i wanna wire up my new cluster!!!

 

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Posted: Fri Nov 18, 2005 1:52 am 
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wtf do you need a reed switch for?

 

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Posted: Fri Nov 18, 2005 2:01 am 
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so i can wire up my door ajar warnings!!

 

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Posted: Fri Nov 18, 2005 2:06 am 
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try www.jaycar.com.au

 

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Posted: Fri Nov 18, 2005 2:09 am 
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hah thanks!
to be honest i dont even know what it is!!! i'll have to ask fraser..

jaycar do have reed switches.. i dunno if thats what im after thoough!!

thanks!

 

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Posted: Fri Nov 18, 2005 2:28 am 
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reed switches are a switch that have 2 metallic strips in them that get pulled together when a magnet is placed sufficiently close to them, thereby completing the circuit

where does it say to use a reed switch (doco?)

 

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Posted: Fri Nov 18, 2005 2:32 am 
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I've got one but I'll be using it eventually.
The fuel flap is set up exactly like the doors, i.e. 180 ohms flap closed, 1380 ohms flap open.
If you can't get the proper reed s/w, there may be enough room with the mounting bracket in the fuel fill compartment to fit a modified door courtesy switch, which can operate a changeover relay which switches between a 180 ohm & 1380 ohm resistor.
Hope this makes sense . . . . .

 

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Posted: Fri Nov 18, 2005 3:11 am 
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Thats for the fuel flap, but wasnt he wanting the door ajar. If so, why not just use the factory switch for the doors, the easiest way to get them is from the lower section of the BEM. I used this as it gives my alarm all four doors if they are opened, and i didnt have to run individual switches, just cant remember which wire from the BEM it was
My 2c worth
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Posted: Fri Nov 18, 2005 10:15 am 
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TerroristGHIA wrote:
Thats for the fuel flap, but wasnt he wanting the door ajar.
No you're right - my mistake.

TerroristGHIA wrote:
If so, why not just use the factory switch for the doors, the easiest way to get them is from the lower section of the BEM. I used this as it gives my alarm all four doors if they are opened, and i didnt have to run individual switches, just cant remember which wire from the BEM it was
It's a blue/black wire from memory, it won't give individual indication which actual door is ajar - the fairlanes have individual switches in each doorlock assy. An alternative is to wire up to each door courtesy light switch, a relay/resistor/diode setup, but these guys want to preferably have the factory setup.

 

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Posted: Fri Nov 18, 2005 10:54 am 
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Okay guys, here is my reed switch which I installed for my door ajar circuit. It's an original factory one designed specifically for our fuel filler door cavity.



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Posted: Fri Nov 18, 2005 11:07 am 
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you can't use a regular switch which makes contact with two electrical parts - you are next to the fuel filler ... so I'll let you guess what a spark might do .......

 

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Posted: Fri Nov 18, 2005 11:08 am 
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Happy wrote:
you can't use a regular switch which makes contact with two electrical parts - you are next to the fuel filler ... so I'll let you guess what a spark might do .......
Important point - well raised Greg. Whatever switch is used has to be a sealed unit.

Vic wrote:
Okay guys, here is my reed switch which I installed for my door ajar circuit. It's an original factory one designed specifically for our fuel filler door cavity.
Hey Vic. Was the magnet a straight clip in to your fuel flap ?? I noticed on my wagon's flap that it isn't - the reed s/w and grommet are a straight fit.

 

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Posted: Fri Nov 18, 2005 1:44 pm 
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snap0964 wrote:
Happy wrote:
you can't use a regular switch which makes contact with two electrical parts - you are next to the fuel filler ... so I'll let you guess what a spark might do .......
Important point - well raised Greg. Whatever switch is used has to be a sealed unit.

Vic wrote:
Okay guys, here is my reed switch which I installed for my door ajar circuit. It's an original factory one designed specifically for our fuel filler door cavity.
Hey Vic. Was the magnet a straight clip in to your fuel flap ?? I noticed on my wagon's flap that it isn't - the reed s/w and grommet are a straight fit.


Yep the reed switch above is the sealed one and made for our Fords.
The magnet is mounted within a small plastic frame which you can see in the above pic and will clip directly into the matching empty socket in your fuel filler door. When I clipped mine on I noticed that the plastic clips were a little worn so I mixed up some epoxy and placed it on the back of the magnet frame wherever it would touch the fuel filler door. It will never fall off I guarentee you!

 

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Posted: Fri Nov 18, 2005 1:49 pm 
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Vic - the wiring from the switch to the cluster itself - difficult? i have the switch & magnet now thanks to Nicko, but need to wire it up :?

 

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Posted: Fri Nov 18, 2005 1:58 pm 
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G'day Fraser. No mate not difficult at all. One of the two wires you can see just plugs into pin 7 of the 12 pin plug and the other is just ground as are the rest of the door sensor switches too. In the end you will have 5 ground wires from the door and reed switches that you can just wind together and ground in one lot.

 

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