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Location:
Whyalla
Registered:
June 2004
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"Piggy back sensor" for 1JZ speedo
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Mon, 21 June 2004 09:52
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Im looking for a "piggy back sensor" that is used to hook up the 1JZ's electronic speedo to the MX73 Cressida cable speedo.
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Location:
Whyalla
Registered:
June 2004
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Re: "Piggy back sensor" for 1JZ speedo
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Wed, 30 June 2004 13:43
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Peeweee from Toyotacressida forums said that a guy named Grant makes them, or would know where I could get one from?
Any ideas? Can someone help me out, I really need to get the seensor so I can finish my 1JZ conversion 
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Location:
Sydney
Registered:
May 2002
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Re: "Piggy back sensor" for 1JZ speedo
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Wed, 30 June 2004 15:23
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my mx83 has a cable speedo which conected straight to the 1J auto the mx83 has a wire from the dash speed signal wire which i hooked upto the computer to get the auto to shift...i'm quite sure that the 73 is the same????dont they have an electronically controlled auto as well????
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Location:
Sydney
Registered:
May 2002
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Re: "Piggy back sensor" for 1JZ speedo
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Wed, 30 June 2004 15:27
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anywayz the ppl id speak to are
grant aka sixworks
jim aka sidshow his number is 0415904947
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Location:
Whyalla
Registered:
June 2004
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Re: "Piggy back sensor" for 1JZ speedo
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Wed, 30 June 2004 23:47
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Yeh Im hoping it is the same, but I havnt had a chance to have a look yet, my car is at an exhaust workshop having alu piping made up for the intercooler and air intake.
Which way would be better, getting the speedo sensor or if the MX73 dash sensor is the same as the MX83 one, just hook that upto the ECU.
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Location:
Whyalla
Registered:
June 2004
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Re: "Piggy back sensor" for 1JZ speedo
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Thu, 01 July 2004 09:24
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I have ordered a speed sensor through Grant at sixworks, and he said you use that to hook up the 1JZ to MX73 dash, and the speed signal to the ECU comes from the speedo
itself and can be found on any schematic for the MX73
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Location:
Sydney
Registered:
May 2002
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Re: "Piggy back sensor" for 1JZ speedo
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Thu, 01 July 2004 12:26
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yep thought so 
i plugged in the standard cressi one
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Location:
Newcastle, NSW, Australia
Registered:
May 2002
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Re: "Piggy back sensor" for 1JZ speedo
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Sun, 04 July 2004 00:09
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Ahh, just to clarify something here; I only supply Tacho Boosters and not speed sensors. For 1J Cressida conversions you only ned to swap out the speed sensor and fit the 7M speedo drive to get the speedo working. The speed signal can then be connected directly to the 1J ecu from wire SP1 that comes from the Cressida speedo.
While I can get speed signal generators that plug in-line to the speedo cable, they are only required for conversions on early model cars (like Celicas) that don't already have a speed signal wire from the speedo. Even then you can get around the problem by using a speed sensor and pick-up from a non-ABS 7M box.
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Location:
Whyalla
Registered:
June 2004
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Re: "Piggy back sensor" for 1JZ speedo
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Mon, 05 July 2004 08:02
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Thanks for the clarification, I didnt know how to explain it
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