Guage Wiring... 99 Super Air |
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Treybizttu
Gold Member Joined: October-02-2014 Location: Grapevine, TX Status: Offline Points: 534 |
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Posted: July-09-2019 at 2:56pm |
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Has anyone gone with a bus bar ground on their gauges as opposed to the daisy chain? My 99 super air has a few additional gauges (I bought it that way) along with Perfect Pass and this weekend PP started freaking out, then quit working, and so did the tach/hour meter. I believe it's a voltage drop/ grounding issue but i'm not 100% yet.
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Online Points: 21104 |
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Yes.
PP is a decent current draw. May benefit from direct power from batt rather than wiring off the dash. Certainly without cleaning up and upsizing/adding additional power/ground to the dash. |
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Treybizttu
Gold Member Joined: October-02-2014 Location: Grapevine, TX Status: Offline Points: 534 |
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Ordered a mess of Stuff from Amazon: Wiring, Terminals, Bus Bars... Going to try and get it set up a little cleaner this weekend if I get some time.
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flyweed
Gold Member Joined: July-11-2016 Location: WI Status: Offline Points: 539 |
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Yep...ground buss bar behind the dash..and heavier ground wire run from the engine to the dash. Then separate grounds from each gauge to the buss bar.
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'93 Ski Nautique NWZ, Air Boom Tower
Drink Tonight..for tomorrow We Ride! |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Yes on the upgrade for the ground but don't forget the + power up to the dash. |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Still looking at doing this. I get the ground part, but where is the + coming into the dash? |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Tim's diagram:
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Nice thanks. Will any marine grounding block work or is there one you would recommend. Also, assuming 10ga wire for both going to the dash?
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Gary,
I'm not aware of marine specific terminal blocks. I don't feel the block would be as important as running marine rated wire and then using heat shrink adhesive lined crimp terminations. I'd be inclined to run heavier than 10. Have you figured out the amp load existing and potential future? Also, I always like to use the 3% voltage drop for wire sizing. |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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I do not know existing load (No quite that savvy) but it is stock with Perfect Pass added. I have a stereo installed with a seperate battery for that and use the 2nd accessory switch to turn it on and off. With that info can you recommend gauge of wire. As always I appreciate any advice. Thanks, Gary |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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So from the diagram, I would start at the solenoid and go through engine and dash breakers to the dash with the + ?
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Gary,
The hardest part is getting the wire up to the dash. Use the old to pull the new in. I'd run 8 ga. up there. I would go to the terminal block first and then go to the dash breakers. This eliminates the + daisy chaining too. |
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Treybizttu
Gold Member Joined: October-02-2014 Location: Grapevine, TX Status: Offline Points: 534 |
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I'm running 8GA from the battery and picked up a couple covered "Marine" Blue Sea Bus Bars. |
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desertskier
Platinum Member Joined: December-19-2006 Location: Az Status: Offline Points: 1114 |
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I just ran a second wire from the protected side of the 50Amp breaker on the engine to the dash ignition breaker input. Pretty sure it was 10 gauge. If you leave the existing wire and run the second one in parallel you should have plenty of current carrying capacity.
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Thanks. |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Got it. Thanks a bunch. Going to take care of it this weekend. Been dealing with the chirps and stuff long enough.
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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flyweed
Gold Member Joined: July-11-2016 Location: WI Status: Offline Points: 539 |
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Pete helped me a TON when I ran new ground and Hot (+) wire to my dash. I ran 10 gauge both black and red from the engine compartment up to the Dash. I fished it through and it wasn't very hard.
Also, the grounding block I used, it's stainless, with a plastic cover that goes over all of it. Bus Bar Pic of new Ground in engine compartment: New Hot and Ground wire coming out behind dash: |
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'93 Ski Nautique NWZ, Air Boom Tower
Drink Tonight..for tomorrow We Ride! |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Awesome thanks. Yeah Pete has had input on every project I have worked on.
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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OKay so I went at this today and pretty much stopped immediately because what seemed to make sense on paper made absolute zero sense once I got into it. Can you help me with these questions- my + and - go to the dash from the back via a harness - Where do I tap in for the HOT. In existing PIN slot and can you even do this? New ground and terminal block - Do i just run it up after grouinding on engine and hook all NEG from the dash to it? If so what about existing ground coming from rear? Don't know where to start with the dash daisy chain but assuming each - from each instrument would go to the block and no daisy chaining? Anything I am missing? Thanks for any help. The labor is the easy part, but the lack of understanding is stopping me. Gary |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Gary,
For the +, a good place is:
Then for the -, a convenient spot on the block but, check to see where the - battery cable is hooked up to the block. That would be the absolute best spot. |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10605 |
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If you try to tap into the existing harness, that will become the weak link in your new wiring.since the harness has smaller wiring that you'd be splicing into
Run the 2 wires back to the engine compartment and the ground can go to the engine right where the battery ground cable hooks up. as shown in Flyweed's picture The positive could be attached to the output side of the main engine breaker so it's fuse protected like Desertskier did or alternately from any good 12 volt source back there and put a fuse in the line to protect it like others have mentioned. Edit..............look at that me and Pete agreeing again |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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KENO - So last night I ran the new ground and terminal block as well as a parallel hot starting it on the "safe" side of the 50 amp breaker at the back (the same spot the original to the dash starts RED # 10 see diagram). I ended it at the dash tying in with the existing hot coming from the same spot. Is this correct for the hot wire coming from the 50?
I will be grounding the individual gauges etc.... today. |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10605 |
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That works for me, It's what Desertskier did.
Hopefully you tied it back in at the upstream side of the 20 amp dash mounted ignition breaker like he did so that breaker is in the circuit too. |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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I tied in right there Is this correct? Thanks to you and everyone else for all the info. Gary |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10605 |
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I think so |
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desertskier
Platinum Member Joined: December-19-2006 Location: Az Status: Offline Points: 1114 |
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I also added a two pin connector at the dash for the new + and - so the dash pod could still be easily removed. Other than that it sounds like you wired it like mine. Also, before you connect the battery back up it is a good idea to take a meter and measure resistance between positive and negative to make sure you accidentally didn't short them together somewhere.
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Thanks. I reread DesertSkier's post and that is exactly how he did it. Just got in off the water and two problems are cured from just adding the + wire. (Temp Gauge always reading high) and (low volts) I gained 2 volts on the volt meter. Hoping the grounds will take care of the chirps and other little aggravators.
Thanks again guys. Gary |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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Would you possibly be able to post a pick of that? If so that would be great! Gary |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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desertskier
Platinum Member Joined: December-19-2006 Location: Az Status: Offline Points: 1114 |
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I don't have a picture but it looked something like this:2 Pin connector
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91NaughtyQ
Senior Member Joined: July-27-2015 Location: NC Status: Offline Points: 287 |
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I think I got it now. The two pin connector was installed to make removing the dash easier, but all this can be done with out it correct?
Gary |
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1991 Ski Nautique
(Previous)1984 Ski Nautique 2001 |
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