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Blue01GT · 09-07-2002, 04:17 PM

I got a 2001 GT (early 01) so that means i got the T-45

I changed my gears to 3.73s and got a dallas mustang speedcal from steeda. The first one they sent me didnt work and i thought it was defective, but now i got another one and it doesnt work either!

I used the scotch clip to attatch the red wire to the cigarette lighter blue/white wire. Then i attatched the speedcal wires to the tranny and connected the stock grey/red ground wire to the speedcal grey wire (in the little plastic connector)

When i reconnect the battery and put in the key, all the guages including the speedometer go all the way to the right then back to the left. so it looks like power is good. but my speedometer does not show ANY READING when im moving!

I took it all apart and did it all again according to the instructons and the install looks good. I am a computer tech so i think i know how to handle wiring, but this will just now work! If i put it back to stock then the speedometer works again (but too fast) so what the heckl is happening?? Has this happened to anyone before? Please help! Or maybe if someone knows a shop in the socal area that knows about this stuff and could take a look?

Someone please help im tired of having a wrong speedometer...thanx!
Blue01GT

09-07-2002, 04:17 PM	#1
Blue01GT Registered Member Join Date: Mar 2002 Location: Los Angeles Posts: 34	Speedcal install please help!!! I got a 2001 GT (early 01) so that means i got the T-45 I changed my gears to 3.73s and got a dallas mustang speedcal from steeda. The first one they sent me didnt work and i thought it was defective, but now i got another one and it doesnt work either! I used the scotch clip to attatch the red wire to the cigarette lighter blue/white wire. Then i attatched the speedcal wires to the tranny and connected the stock grey/red ground wire to the speedcal grey wire (in the little plastic connector) When i reconnect the battery and put in the key, all the guages including the speedometer go all the way to the right then back to the left. so it looks like power is good. but my speedometer does not show ANY READING when im moving! I took it all apart and did it all again according to the instructons and the install looks good. I am a computer tech so i think i know how to handle wiring, but this will just now work! If i put it back to stock then the speedometer works again (but too fast) so what the heckl is happening?? Has this happened to anyone before? Please help! Or maybe if someone knows a shop in the socal area that knows about this stuff and could take a look? Someone please help im tired of having a wrong speedometer...thanx! Blue01GT __________________ 2001 GT with Steeda u/d Pulleys, Steeda timing adjuster, 3.73 gears, and Tri-Ax short shifter.