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Jeep Wrangler YJ
YJ General Discussion
Nuther gauge question
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<blockquote data-quote="Gilaguy23" data-source="post: 431306" data-attributes="member: 19498"><p>I threw in a mechanical gauge today along with the factory one. 25 PSI at idle and 55 at rpm. Sure gives me a piece of mind seeing where it really is. In the process of digging around I found lots guys with XJ's complain about the volt gauge inaccuracy on that model. Problem apparently is poor wiring, lots of resistance by the time juice gets to the gauge and that what it really see's. Folks are running a relay set up and a power lead off the fuse box to the gauge and seeing the real alt output. Ive found similar issues on several of the motorcycles, from Harleys,Triumphs and a Ducati Ive owned over the decades. To many crappy high resistance connectors and undersized wiring for the charging system. Cure was to run a direct line from the charging system, add a Maxi fuse and go right to the battery. I typically would get a full volt more to the batt doing this than the high 12's or low 13's the factory stuff provided.</p></blockquote><p></p>
[QUOTE="Gilaguy23, post: 431306, member: 19498"] I threw in a mechanical gauge today along with the factory one. 25 PSI at idle and 55 at rpm. Sure gives me a piece of mind seeing where it really is. In the process of digging around I found lots guys with XJ's complain about the volt gauge inaccuracy on that model. Problem apparently is poor wiring, lots of resistance by the time juice gets to the gauge and that what it really see's. Folks are running a relay set up and a power lead off the fuse box to the gauge and seeing the real alt output. Ive found similar issues on several of the motorcycles, from Harleys,Triumphs and a Ducati Ive owned over the decades. To many crappy high resistance connectors and undersized wiring for the charging system. Cure was to run a direct line from the charging system, add a Maxi fuse and go right to the battery. I typically would get a full volt more to the batt doing this than the high 12's or low 13's the factory stuff provided. [/QUOTE]
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Nuther gauge question
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