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Registered
Join Date: Feb 2013
Location: San Diego
Posts: 364
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Red arrow light in speedometer
Just noticed it and unsure of what it is indicating
1987 Coupe |
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11-24-2015, 07:07 AM
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Registered
Join Date: Jan 2003
Location: Dublin, CA
Posts: 6,268
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Upshift for maximum mpg.
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Sergio The GT Lid Whisperer PCA 42yrs / Ex-RGruppe #197 '19 718 Cayman S (9th Porsche/1st with PDK) '14 Subaru Forester XT (Porsche support vehicle) |
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11-24-2015, 07:10 AM
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Diss Member
Join Date: Jul 2002
Location: SC - (Aiken in the 'other' SC)
Posts: 5,019
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Quote:
It is better used as an "ignore light".
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- "Speed kills! How fast do you want to go?" - anon. - "If More is better then Too Much is just right!!!" - Mad Mac Durgeloh -- Wayne - 87 Carrera coupe -> The pooch. |
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11-24-2015, 07:23 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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If it bugs you, you can disconnect it from the tach. Its the black wire in the harness connector. Back-probe it with a small, thin tool and you can release the tang that holds the female spade terminal into the harness connector.
Even when you disconnect the black wire, the upshift light will still activate at really high rpms. It's like having a redline shift light you can barely see........... 
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Kevin L '86 Carrera "Larry" |
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11-24-2015, 07:34 AM
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Registered
Join Date: May 2012
Location: Troy, Mi
Posts: 1,937
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It has a fun aconym, CASIS. Computer Assisted Shift Indicator System.
Or, as I like to say it, Cassie who likes to nag.
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Matt - 84 Carrera |
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11-24-2015, 08:23 AM
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Registered
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Red...?? Mine is blue, 88 Carrera....
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11-24-2015, 10:08 AM
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Registered
Join Date: May 2012
Location: Troy, Mi
Posts: 1,937
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Mine is orange (84)
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Matt - 84 Carrera |
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11-24-2015, 11:07 AM
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Registered
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Orange on mine too (87)
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Jerome 1987 911 Carrera 3.5l, twin plug, turbo, LSD and more www.310Engineering.com |
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11-24-2015, 11:21 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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Orange on my former '87 and on my current '86
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Kevin L '86 Carrera "Larry" |
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11-24-2015, 11:24 AM
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If it doesn't come on you're shifting too way too early (unless the engine is cold).
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11-24-2015, 01:35 PM
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Registered
Join Date: Feb 2013
Location: San Diego
Posts: 364
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Thanks for the info. I'll have to be a little more agressive with my shift points
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11-24-2015, 07:31 PM
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Caveman Hammer Mechanic
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Mine was removed by Hollywood Speedo, every time it went on, I felt like I was driving a minivan.
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1984 Carrera El Chupacabra 1974 Toyota FJ40 Turbo Diesel "Easy, easy, this car is just the right amount of chitty" "America is all about speed. Hot,nasty, bad ass speed." Eleanor Roosevelt, 1936 |
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11-24-2015, 07:40 PM
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Banned but not out, yet..
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Dang modern cars.
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An air cooled refrigerator. ‘Mein Teil’ |
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11-24-2015, 07:55 PM
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Member 911 Anonymous
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a Pic would really help.
BTW, mine is Orange
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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11-24-2015, 08:09 PM
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Banned
Join Date: Nov 2007
Location: Rockwall, Texas
Posts: 8,559
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Turbos don't have one of those since every driver of one already has a shift indicator built into their bodies - heed the clinching of one's personal wastegate!
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11-24-2015, 08:11 PM
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Get off my lawn!
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 I had mine replaced with something one billion times more useful. Maybe two billion times more useful!
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Glen 49 Year member of the Porsche Club of America 1985 911 Carrera; 2017 Macan 1986 El Camino with Fuel Injected 350 Crate Engine My Motto: I will never be too old to have a happy childhood! |
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11-25-2015, 06:26 AM
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Diss Member
Join Date: Jul 2002
Location: SC - (Aiken in the 'other' SC)
Posts: 5,019
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Quote:
We have a winner!
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- "Speed kills! How fast do you want to go?" - anon. - "If More is better then Too Much is just right!!!" - Mad Mac Durgeloh -- Wayne - 87 Carrera coupe -> The pooch. |
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11-25-2015, 08:54 AM
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Registered
Join Date: Jan 2006
Location: Clayton NC
Posts: 1,674
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Had N. Hollywood Speedo do the same thing to my tach as was done to G85Carrera's tach. Installed a useful voltmeter. One of the best mods that I have done to the 88.
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gary 70T coupe forever almost done 88 Carrera Targa diamond blue |
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11-25-2015, 09:34 AM
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Caveman Hammer Mechanic
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The useful change:
'84 Carrera  '75 911S 
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1984 Carrera El Chupacabra 1974 Toyota FJ40 Turbo Diesel "Easy, easy, this car is just the right amount of chitty" "America is all about speed. Hot,nasty, bad ass speed." Eleanor Roosevelt, 1936 |
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11-25-2015, 10:51 AM
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Eng-o-neer
Join Date: Dec 2011
Location: Los Angeles
Posts: 3,107
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Is there a way to disable just the part that lights up for fuel efficiency? I think it's nice as a redline indicator.
I was gonna rig my aftermarket shift light to trigger the stock upshift indicator near redline... |
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11-29-2015, 01:56 PM
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Forever
Whatever
Fasst
Igor
Estrous Express
The Green Piggy
Marble Grey
Carrera
