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Toymods » Tech & Conversions » 4A GE and GZE Speedo Specs

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takai
Forums Junkie


Location:
Adelaide
Registered:
May 2003
 
4A GE and GZE Speedo Specs Sat, 29 November 2003 13:45 Go to next message
Alright from another thread we have:
"difference between the tacho's are the way the electronic signal is pulsed. In normal 4a the tacho wire is pulsed at 12V, and from the GZE its a low level signal of 5V (or the other way around)."

But i still have a few questions:
1. Is the output square wave, or similar?
2. How many pulses per wheel revolution (i remeber reading 4 or something).
3. And is it definately GZE 5v and xE 12v. Or is it the other way around.

Cheers
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Sprinter
Regular


Location:
Melbourne
Registered:
September 2002
Re: 4A GE and GZE Speedo Specs Sun, 30 November 2003 08:30 Go to previous messageGo to next message
Can u work it out from a simple circuit I use to get mine working?

I have been using this circuit for about 6 years with no problems and an accurate tacho Smile

Hopefully this piece of ASCII art will work!?

This is to convert the signal from an AE101 MAP/DLI 4AGZE to a standard AE86 dash cluster (either Aus or JDM). I believe the same circuit can be used with the AE82 and AE92 but I havent tried it.

[From Igniter]----||----T----->[Tacho]
                 1uf    |
                 cap   10k resistor
                        |
                        V
                       Ign+


Denis

[Updated on: Sun, 30 November 2003 22:59]

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takai
Forums Junkie


Location:
Adelaide
Registered:
May 2003
 
Re: 4A GE and GZE Speedo Specs Sun, 30 November 2003 12:04 Go to previous messageGo to next message
Thats to convert from SX to GZE im assuming. So SX tacho, and GZE igniter?
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Sprinter
Regular


Location:
Melbourne
Registered:
September 2002
Re: 4A GE and GZE Speedo Specs Sun, 30 November 2003 23:00 Go to previous messageGo to next message
Yes I should have provided a little more info. I have edited the original post to provide the engine and dash specifics.

HTH,
Denis
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takai
Forums Junkie


Location:
Adelaide
Registered:
May 2003
 
Re: 4A GE and GZE Speedo Specs Mon, 01 December 2003 08:28 Go to previous messageGo to next message
Thanks sprinter, i think this will work.
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MarkZE
Newcomer


Location:
Brisbane
Registered:
December 2003
Re: 4A GE and GZE Speedo Specs Sat, 27 December 2003 07:07 Go to previous message
I see that you are getting the signal from the igniter. Which igniter wire are you using. I assume then you are not using the ECU tacho output for the signal.

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