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why would my tach jump all the way up to 8000rpm when i hook up the red to poss battery (to test for power), then black to ground, white to nothing (because i didnt need the light), green to green/yellow stripe rpm signal wire by sti. 1993 1.3 festiva L. I also tried red to fuse box. when it was hooked up i ungrounded the sti and it dropped to 7950, so then tried revving the motor and even at 7950 the tach needle would not move when i revved it. did i do something wrong or does my tach need to be calibrated? i dont know the tach's brand but its black with a 4,6,8 switch on back witch i tried all three setting and got same results. it has a shift point adjuster that is adjusted from the center witch turns a second needle to what ever rpm you want. i tried turning that still got same as before. please help
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Could the tach be faulty?1992 white L, Bp, American racing 13's, stock trans.
1991 White L, BP/F5MR, protege header, full aspire swap with gr2's, seats, and sway bar, 15" konig's, short throw, escort console.
1991 blue L, 5 speed.
1988 red L-plus-all stock. -
is it an autogauge one?
Mike, AKA the sasquatch
1990 LX, bp+T/g25mr, 9psi dynoed at 194HP, turbonetics t3/to4e 57trim, haltech E6X standalone, 550cc injectors, turbosmart wastegate, synapse BOV, walbro 255 fuel pump, aeromotive FPR, AEM wideband, 3 inch exhaust, huge FMIC, 9LB flywheel, 6 puck clutch and way more parts that im forgetting i installed lol...Comment
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i have no idea the brand its black about 2 and a half inchesComment
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does the white wire have to be hooked up? and should i try green to yellow/bluestriped wire coming out of distributerComment
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Everything gets hooked up lol. I can't check right now but I think the green does get hooked up to the yellow and blue. Someone on here did a small write up.Originally posted by dwellfrosis View Post
Edit: Here it is http://www.fordfestiva.com/forums/sh...highlight=tachLast edited by Grey Vw; 04-27-2011, 10:06 PM.91 Festiva BP Autocross/Track/Rallycross hopeful
14 C7 Z51
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