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Speed sensor Which wire is which?
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macj

Posted: Sun Jul 31, 2011 6:47 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

On the transmission of a BE4 gearbox from a GTi, anyone know the layout and function of the three wires. I am trying to make a digital processor for stage distance and time to work from one.

Last edited by macj on Sun Jul 31, 2011 7:13 am; edited 1 time in total

Lee

Posted: Sun Jul 31, 2011 7:05 am

Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England

The MM 4.8P or the MM 4MP2 ecu?

macj

Posted: Sun Jul 31, 2011 7:12 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

Its all on stand alone ECU. I have a bare canvass mate. The rally trip computor needs a pulse signal. It can input 5volts to the sensor and has a wire from the pulse terminal and a -ve wire. The problem is I can either use an old ABS sensor on one wheel to feed it a pulse or use the gearbox sensor. I just dont want to fry anything

Lee

Posted: Sun Jul 31, 2011 7:23 am

Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England

Pin 1 - CM32M - voltage - engine fuse box Pin 3 - 6739 - vehicle speed info Pin 2 - MM01A - earth

macj

Posted: Sun Jul 31, 2011 7:26 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

nice one mate.... now how do I know which is pin1 I assume pin 3 is middle

Lee

Posted: Sun Jul 31, 2011 7:35 am

Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England

If you look very closely there will be numbers nah pin 3 is at the end, i just listed them in the order that I read them off the diagram normally Pin 1 is to the right

macj

Posted: Sun Jul 31, 2011 7:40 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

looks like I need to borrow some glasses then.... cheers for the help bud. Hope the hangover is better

Lee

Posted: Sun Jul 31, 2011 7:42 am

Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England

I'll have a look to see if I have one in the shed to see if I can see them. Dunno if I left it on the engine when I sold it or not

macj

Posted: Sun Jul 31, 2011 7:46 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

I spent about an hour trying to find a 3 pin plug for it.... I junked the whole loom when I built the car so will be off to the scrappy tomorrow

Lee

Posted: Sun Jul 31, 2011 7:47 am

Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England

Does it look like this?

macj

Posted: Sun Jul 31, 2011 7:53 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

nope.... thats the cable drive unit I think, looks like this

macj

Posted: Sun Jul 31, 2011 8:04 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

And now I can see the numbers

Edward

Posted: Sun Jul 31, 2011 8:14 am

Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage

and a slightly cleaner version.


	2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible.

Seabook

Posted: Sun Jul 31, 2011 8:19 am

Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12

macj wrote:

And now I can see the numbers Laughing


	Car Sold....

macj

Posted: Sun Jul 31, 2011 9:56 am

Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex

Yes Ed..... its a bit grubby round there

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