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Old 11-10-2001, 06:19   #1 (permalink)
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Electronic senders on gearbox

My TE50 has two sensors on the left rear of the gearbox(manual)The formost one has two wires and the rear one three.

City Ford still havent sent me my manuals so I dont have a wiring diagram.Can someone please tell me what each wire senses.I presume they govern speedo,odometer and maybe rev limiter but most importantly speed limiter but which wires are which and will removal of say the one for the speed limiter cause any fault messages or malfunctions in the engine managment computer/system.Thanks in advance to anyone with experience or electronic expertise or just a wiring diagram.Any info welcome.
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Old 11-10-2001, 07:04   #2 (permalink)
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Oops sorry the rearmost sensor is on the RHS
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Old 11-10-2001, 09:22   #3 (permalink)
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In my experience with gearboxes (which is really only fitment and removal)usually there are two plugs
One with two wires would be reversing light swith and the one with three wires would be speedo drive.
I doubt any car would govern speed, revs etc with a sensor on the gearbox - that's usually done with engine management.
C Yah
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Old 11-12-2001, 08:04   #4 (permalink)
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Both switch your refering to is the netual postion switch, manual and auto have these,and the speed sensor switch as per ford service manuals
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Old 11-12-2001, 11:49   #5 (permalink)
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Well actually.....
On the left of the box you have 2 1 is a neutral start switch 3wires the other reversing switch 2 wires.
On the right side you have you speedo drive connected to a "transducer" which turns the mechanical movement to an electrical signal..
As XR6wagon stated all rev/speed limiters are governed by the ECU
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Old 11-12-2001, 18:05   #6 (permalink)
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Hi all

Can anyone out there explain to me why you would have a neutral switch on a manual gearbox (I'm not doubting what you say because the workshop book says so)
I really don't see why it would be fitted

Enlighten me please

Cheers
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Old 11-12-2001, 18:41   #7 (permalink)
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Food for thought
1 cause of surging on manuals EECIV this is why mine surged abit & took a bloody long time b4 someone(other than ford) found the prob....
Maybe caused by a lack of neutral drive switch signal to the ecu.The switch is on the T5 box&looks like a reversing light switch. It provides a signal to the ECU to provide different idle calibrations if the car is in gear or not, there is NO fault code for this!!!! The switch has a 5v supply from ECU pin 30 & the return is to pin 46.
When in neutral,pin 30 should read 0v , in gear 5v ELECTRICKERY AINT YA JUST LOVE IT
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Old 11-12-2001, 21:17   #8 (permalink)
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Speed Limiter? Since when does a Te50 have one?
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Old 11-13-2001, 07:09   #9 (permalink)
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Thanks guys
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Old 11-14-2001, 19:14   #10 (permalink)
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the owners manual wont have wiring diagrams of the car you should leave that to the experts those sensers are there for a reason
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