Tach Adaptor Needed or Not?

GTPONY1 · January 22nd, 2008, 11:13 PM

Ok...I have an 06 GT and I have the Autometer DPSS Stage 2. According to Autometer, I need the tach adaptor #9117. However according to the instructions I can set the pulse indicator from .5 up to 6.

So this begs the question, can I just wire the tach signal wire to one of the coils and set the tach to a .5 pulse? Rather than using the adaptor.

If so, is it as accurate as using the tach adapter at the 4 pulse setting?

Seems like I have seen it done both ways but before I spend the $50 on the adaptor, I would like to know from those that have done it.

Thanks in advance for your input....

Justin00Stang · January 23rd, 2008, 10:13 AM

The COP system might not provide the right type of signal to the autometer tach, as its not a traditional rpm signal like you could get from the 94-98 cars.

07 STROKER · January 23rd, 2008, 06:39 PM

I jhave that exact unit....you need the adapter....

07 STROKER · January 23rd, 2008, 06:45 PM

Thats it on the passenger strut tower

GTPONY1 · January 24th, 2008, 01:25 AM

Originally Posted by 07 procharger

I jhave that exact unit....you need the adapter....

Thanks...I bought it last night as I came to the same conclusion...

Ebay $50 new, should have it by Fri.

I just think for what the DPSS costs it would include the darn thing...

January 22nd, 2008, 11:13 PM	#1
GTPONY1 Regular 2006 Mustang GT 539rwhp / 482rwtq Join Date: Sep 2006 Location: Decatur, IL Posts: 333 iTrader: 0 reviews	Tach Adaptor Needed or Not? Ok...I have an 06 GT and I have the Autometer DPSS Stage 2. According to Autometer, I need the tach adaptor #9117. However according to the instructions I can set the pulse indicator from .5 up to 6. So this begs the question, can I just wire the tach signal wire to one of the coils and set the tach to a .5 pulse? Rather than using the adaptor. If so, is it as accurate as using the tach adapter at the 4 pulse setting? Seems like I have seen it done both ways but before I spend the $50 on the adaptor, I would like to know from those that have done it. Thanks in advance for your input....

January 23rd, 2008, 06:39 PM	#3
07 STROKER MM's resident Juice head 07 Mustang GT Join Date: Nov 2007 Location: PA Posts: 7,933 iTrader: 0 reviews	I jhave that exact unit....you need the adapter.... __________________ The MGW short throw shifter Its not just a shifter...It's a lifestyle!

January 23rd, 2008, 06:45 PM	#4
07 STROKER MM's resident Juice head 07 Mustang GT Join Date: Nov 2007 Location: PA Posts: 7,933 iTrader: 0 reviews	Thats it on the passenger strut tower __________________ The MGW short throw shifter Its not just a shifter...It's a lifestyle!

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January 23rd, 2008, 10:13 AM	#2
Justin00Stang Regular Join Date: Sep 2006 Posts: 151 iTrader: 0 reviews	The COP system might not provide the right type of signal to the autometer tach, as its not a traditional rpm signal like you could get from the 94-98 cars.

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