How to re-wire dash '02 196 GT40

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   My 02 196 GT40 Ford keeps having intermittent issues with tachometer losing RPM signal, Speedometer (New Faria GPS speedo) delayed in engaging, Perfect pass losing rpm's, and the volt meter bouncing from 12-14.  I've read that a common issue is the ground wire (looks like 16g) coming from the battery to the dash is underpowered which could be causing my issues.
1.  Do you agree this is probably the problem?
2. How would you recommend to rewire?  I've read 8G from battery to bus bar and then wire tach, speedo, and voltmeter from bus block. What gauge wire do you recommend from bus bar to gauges?

Thanks for your help and glad the site is back up and running!!

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Tbarile Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: May-10-2020 Location: Indiana Status: Offline Points: 55	Post Options Post Reply Quote Tbarile Report Post Thanks(0) Quote Reply Topic: How to re-wire dash '02 196 GT40 Posted: August-13-2020 at 2:55pm
	My 02 196 GT40 Ford keeps having intermittent issues with tachometer losing RPM signal, Speedometer (New Faria GPS speedo) delayed in engaging, Perfect pass losing rpm's, and the volt meter bouncing from 12-14. I've read that a common issue is the ground wire (looks like 16g) coming from the battery to the dash is underpowered which could be causing my issues. 1. Do you agree this is probably the problem? 2. How would you recommend to rewire? I've read 8G from battery to bus bar and then wire tach, speedo, and voltmeter from bus block. What gauge wire do you recommend from bus bar to gauges? Thanks for your help and glad the site is back up and running!!

Fast351 Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Newbie Joined: September-18-2006 Location: Twin Cities, MN Status: Offline Points: 35	Post Options Post Reply Quote Fast351 Report Post Thanks(0) Quote Reply Posted: August-16-2020 at 3:25pm
	8GA is complete overkill for the dash. Nothing consumes any real power up there. 12ga is just fine. Your 02 should already be wired directly from the battery. Is this not the case? If you look at your battery there should be two leads on each post. 4ga to the starter/block, and 12ga or so to the dash/control unit. Check to make sure your wires are in good shape. With separate wiring to the dash/control box, your voltage should be rock solid. If it's not there might be an issue with a crimp or something else somewhere.
	2001 Ski Nautique 196 2007 Air Nautique 211 TE

Tbarile Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: May-10-2020 Location: Indiana Status: Offline Points: 55	Post Options Post Reply Quote Tbarile Report Post Thanks(0) Quote Reply Posted: August-17-2020 at 6:49pm
	Yes the dash is wired directly from the battery. It looks more like 16g rather than 12g.

How to re-wire dash '02 196 GT40

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