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Location:
Canberra
Registered:
January 2004
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 Sprinter tacho with 1ggte
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Sat, 28 August 2004 09:03
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Hi, i have a sprinter with a 1ggte in it and i'd like to get the old tacho to work with the engine properly. I have no idea what i'd need to do to get it working so any advice would be very awesome. I have already done a search on the forums but i wasn't able to find and info relevant to what i need. Thanks.
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sat, 28 August 2004 13:46
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look up a shop in the yellow pages that specialises in instruments (not music) take ya cluster down, hand him about $60 take it home plug it back in and walllar!
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Location:
cronulla
Registered:
September 2002
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sat, 28 August 2004 14:17
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| JAZE wrote on Sun, 29 August 2004 00:12 |
if the motor is from a soarer (1G) it will have an electric speedo drive of the box, and you can not make that work with the sprinter cluster, If it is a supra motor it should have a speedo cable from the box which you can possibly calibrate/adjust to fit in the back of the sprinter cluster, If you have he electric cable remove it and go and buy the speedo cable(non electric) from any w5X box and put it in the same place where the electric one is, and then go from there with putting it into the sprinter cluster.
ps. cool name..............
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Tacho 
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Location:
cronulla
Registered:
September 2002
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sat, 28 August 2004 15:03
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You can mod your own tacho easy enough, at least I did in my RA28, should be the same deal, you just need a tacho (or something simmilar to mod it off...(or you can just take a bit of a guess and wind it back so it reads 2/3 of what it said originally. PM me if you're interest and I'll dig up the pictures.
Tim.
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Location:
Melbourne
Registered:
August 2003
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Re: Sprinter tacho with 1ggte
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Sat, 28 August 2004 15:21
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The forums are going to shit.
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sat, 28 August 2004 15:44
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| SeptemberSquallIndustries wrote on Sun, 29 August 2004 01:21 |
The forums are going to shit.
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Agreed
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Location:
Canberra
Registered:
January 2004
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 01:37
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thanks for the help guys, much apprieciated. It was the rev part of the guages that i want working (if there was any confusion). Gonna pull it apart and see what i can do with it.
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Registered:
July 2002
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 03:32
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It should be easy enough to get it working as 1G's have a single coil.
You have probably tried connecting your AE86 tacho to the TAC output of the igniter module? This works on some igniters but not others. The 86 tacho is expecting a "spikey negative pulse" from the coil negative as it was designed to run with old school points ignition on the 4A-C.
If you just connect the tacho wire directly to the negative of your coil it will start working.  easy....
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 05:39
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| Anthony Kellam wrote on Sun, 29 August 2004 13:32 |
It should be easy enough to get it working as 1G's have a single coil.
You have probably tried connecting your AE86 tacho to the TAC output of the igniter module? This works on some igniters but not others. The 86 tacho is expecting a "spikey negative pulse" from the coil negative as it was designed to run with old school points ignition on the 4A-C.
If you just connect the tacho wire directly to the negative of your coil it will start working. easy....
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ahh the master returneth
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Location:
Sydney
Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 08:35
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yeah but it wont be accurate as the 1g is a 6 pulses per rev where as the 4a was 4 pulses
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Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 09:01
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Yeah but you can adjust the tacho to accept the 6cyl engine. I did on an RA28 anyway.
Tim
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Location:
Sydney
Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 10:20
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yeah the 28s have adjust pots on them. you could either do it yourself or get a workshop to do it accurately. but I'm unsure about the sprinter guage as I knonw my rt142 corona guage lacks these pots.
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Registered:
July 2002
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 11:47
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Oh so you didn't just want it working, you want it accurate as well?? 
AE86 ones do not have the potentiometer. They are calibrated via adjusting the magnet spacing on the meter movement (you should see a grub screw with locknut secured with some green goo).
Alternatively there is a resistor swap for the small PCB in the tacho involving two resistor changes. I'll try and find it...
BTW, it's 3 pulses per rev versus 2 
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Location:
Canberra
Registered:
January 2004
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Re: Sprinter tacho with 1ggte
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Sun, 29 August 2004 23:46
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ahh thanks, i would like it to be accurate. I've got the ECU hand unit to tell me what the rev's are, but i'd much rather the existing tacho telling me the rev's.
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: Sprinter tacho with 1ggte
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Mon, 30 August 2004 00:34
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/me points to his first post!
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Location:
Baulko Hillo
Registered:
April 2004
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Re: Sprinter tacho with 1ggte
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Mon, 30 August 2004 03:12
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I would suggest you send Sideshow a PM..... He attached a little gizmo to my tacho input so it would work with the quad-coil setup. (I know it's a 4, not a 6, but he could still give you some direction.)
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