 Tach questions, CONFUSED? |
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 Oct 24, 2003 - 6:01 PM
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Enthusiast  Joined Mar 24, '03 From virginia Currently Offline Reputation: 0 (0%)  |
 Alright I know there's a how-to but it's posted by a GT owner, I have a ST, different location to run the rev wire,(green)? I'm confused as to where to run this wire. Is there a easy splice that will give me input. Maybe I over looked the toyota box described, but still not enough info and the pic doesn't help at all? what color is the wire I'm splicing into? Need help, want tach installed!
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Oct 24, 2003 - 6:37 PM
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 Administrator Joined Aug 23, '02 From Seattle, WA Currently Offline Reputation: 14 (100%) |
Try testing the black and yellow wires at your ECU. One of them is the tach wire.
-------------------- New Toyota project coming soon...
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Oct 25, 2003 - 5:22 AM
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Enthusiast Joined Nov 18, '02 From Texas Currently Offline Reputation: 0 (0%) |
.....and let us other ST owners know what you find out
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Oct 25, 2003 - 10:01 AM
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Administrator Joined Aug 23, '02 From Seattle, WA Currently Offline Reputation: 14 (100%) |
I know for sure that one of the wires is the tach wire, and on my car it was black and yellow. Just test the black and yellow wires with a multimeter on AC mode, and the wire should put out between one and six volts. As you rev the engine, the volts will go up accordingly. Once you find that wire, that is the tach wire. -------------------- New Toyota project coming soon...
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Oct 25, 2003 - 12:43 PM
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Enthusiast Joined Mar 24, '03 From virginia Currently Offline Reputation: 0 (0%) |
Sweet, driving dad's ride right now though, new brakes and rotors coming, at girlie friends house 3 hrs away, but soon I'll try to figure the wiring out prob. next week sometime, and let you guys know what I found.
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Nov 5, 2003 - 3:40 AM
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 Enthusiast Joined May 24, '03 From Milton, Delaware Currently Offline Reputation: 0 (0%) |
Not really involved in the original question... but i've been wondering...
The wiring for the Apexi S-AFC (4agze ae101 w/ map) says there are 2 Rev wires, and there's only one connection on the S-AFC for the rev? Does that mean i connect both the rev wires to the one wire on the Apexi? Iono... just wondering... -Ryan -------------------- AIM : FAQdaWorld
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