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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 05-26-2009, 10:15 PM   #1
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Join Date: Mar 2002
Location: San Antonio, Texas
Posts: 501
Car: 1985 Trans Am
Engine: 361 ci
Transmission: WC T-5
Axle/Gears: 9 Bolt, 3.27 Posi

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Stock 85 TPI Knock Sensor Wire color?

When I bought my 85 Trans am the knock sensor had been disconnected with no harness on it. I know that the wire runs to the ESC located on the driver side firewall. The color coming off the knock sensor is blue and there is a blue wire coming out of the connector at the ESC. Is it safe to assume I can just connect the two and it should work? Thanks for the input.
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1985 Trans Am 361ci - Original 305 TPI, Power Everything, T-Tops, 4 Wheel Disc Brakes, Rebuilt '88 Corvette 350, Isky 270 Hydraulic Cam, Hooker LT's, True Dual Exhaust w/ Moroso Spiral Flow Mufflers, WC T-5, Borg Warner 9 Bolt w/ 3.27 Gears, Glasstek 4" Cowl Hood
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Old 05-27-2009, 03:18 PM   #2
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Join Date: Jul 2006
Location: Las Vegas
Posts: 163
Car: 1985 El Camino Choo Choo
Engine: 1987 305 L69 W/ TPI
Transmission: GN 200-4r
Axle/Gears: GN 8.5 3.73

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Re: Stock 85 TPI Knock Sensor Wire color?

Yes, Dk Blue goes directly from the ESC module to the knock sensor.

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Old 05-27-2009, 03:34 PM   #3
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Join Date: Mar 2002
Location: San Antonio, Texas
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Car: 1985 Trans Am
Engine: 361 ci
Transmission: WC T-5
Axle/Gears: 9 Bolt, 3.27 Posi

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Re: Stock 85 TPI Knock Sensor Wire color?

Thanks for the reply. I've already patched it in but not sure if I would notice a difference or not while idling due to the car being on front jackstands(waiting for new tires to arrive).
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1985 Trans Am 361ci - Original 305 TPI, Power Everything, T-Tops, 4 Wheel Disc Brakes, Rebuilt '88 Corvette 350, Isky 270 Hydraulic Cam, Hooker LT's, True Dual Exhaust w/ Moroso Spiral Flow Mufflers, WC T-5, Borg Warner 9 Bolt w/ 3.27 Gears, Glasstek 4" Cowl Hood
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Old 05-27-2009, 03:34 PM
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