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Purchased a 7" Stand-Alone Digital Dash, question.

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  • #1

    Purchased a 7" Stand-Alone Digital Dash, question.

    So I purchased the Holley 7" Stand-Alone Digital Dash, and it seems it's missing the coolant sensor. It came with a wiring adapter, and I'm not sure how I go about wiring this deal. Watched the videos, read the instructions. The harness coming out of the Digital Dash does not have a spot to connect in the adapter for the sensor harness. I'm guessing, the Digital Dash needs to come back out, and the small white connector goes in the back of the Digital Dash somehow, no?
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  • #2
    The Digital Dash has to come out and there's a small panel on the rear that needs to be removed and the little white connector plugs in the back of the dash. Then the rest of the harness plugs into the adapter. The instructions state the system comes with a coolant temp sensor (page 3): https://documents.holley.com/199r11021.pdf. Andrew
    Instagram: @projectgattago
    Offering remote Holley EFI tuning.
    I deliver what EFI promises.
    Please get in touch if I can be of service.

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    • #3
      Yeah, installing the little white connector harness is also well detailed (good pictures) in the Digital Dash instruction manual. It's easy to do.
      May God's grace bless you in the Lord Jesus Christ.
      '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.

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      • #4
        Thanks. None of the instructions I had showed this connector, but I had a feeling. My other car, I just CAN Bus wired into the EFI, and I was done. This one, I'm going to use the full car pre-wired harness and start with the basics and go from there.

        But it does seem as though I was missing the coolant temperature sensor. Only two sensors came with it, and one was air temperature, and the other oil pressure. I also bought the TPS sensor for the carburetor, so I'm hoping I can use that to trigger the datalog like I did on the EFI version.
        Attached Files

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        • #5
          Call Holley if you have parts missing from your kit. Andrew
          Instagram: @projectgattago
          Offering remote Holley EFI tuning.
          I deliver what EFI promises.
          Please get in touch if I can be of service.

          Comment

          • #6
            Last stupid question, which IO do I use for TPS? Nothing in the book and add on harness list for a TPS. My Holley TPS sensor came with a 3-pin plug and I was going to use IO6. The last three wire cable I got has green, black, and an orange wire. The TPS has a blue, black, and a grey wire. Which go to which? Or I can get out the Ohm meter and see, but figured I'd ask.

            I can use this to trigger the datalog function correct? That's how I did it on my Sniper 4500 deal. I set the trigger at 88% throttle to trigger the datalog function.
            Last edited by Dragula; 05-08-2023, 11:36 AM.

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            • #7
              What's the part number for the TPS sensor that you're using? Andrew
              Instagram: @projectgattago
              Offering remote Holley EFI tuning.
              I deliver what EFI promises.
              Please get in touch if I can be of service.

              Comment

              • #8
                Holley TPS Kits 534-214: Holley 534-214 Holley TPS Kits | Summit Racing​

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                • #9
                  https://documents.holley.com/199r10624rev.pdf. Andrew
                  Instagram: @projectgattago
                  Offering remote Holley EFI tuning.
                  I deliver what EFI promises.
                  Please get in touch if I can be of service.

                  Comment

                  • #10
                    OK, nearly ready to apply power, last stupid question, I swear. If I already have an AFR sensor in the car, can I piggy back the wires from the sensor in parallel to get and record AFR into the dash, or do I have to put another sensor in?

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                    • #11
                      Found it myself: http://documents.holley.com/199r10485rev1.pdf​

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                      • #12
                        So I have power on it, and trying to get some items to work.
                        1) What's the baseline setup for a pressure sensor that holley sends with the kit?

                        2) I applied the yellow wire to negative coil side for RPM, and I have no signal. So that's a question.

                        3) TPS sensor is not reading either.

                        Everything else is working.

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