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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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10-23-2021, 09:18 PM | #1 |
Not Yet Wild
Join Date: Oct 2009
Posts: 52
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Should the Horn be a direct whort internally?
Question First - the Horn, as a standalone, it tests as a closed circuit. Is That Normal condition?
1991 G8A I needed to Honk the horn it week ago Thursday, first time in a long time. On the way home the cart felt like it hit a Head Wind. I was ready to check for dirt in the carb - and found MASSIVE Neg ground meltdowns. 1 in the rotor's Pickup coil ( that was a bitch to replace) and a full length meltdown in the wiring harness, a WHITE WIRE ( not on / in the wiring diagram ) that seems to be all the way from the battery to the Horn's ground! If I can peel the good wires from the burnt carcas of the white wire, I may need to only replace the white one, not the whole loom. But did the shorted horn cause it? Help appreciated. ( Or I have to go to a parts store and test one on the bench...) |
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10-23-2021, 11:08 PM | #2 |
Grumpy Old Guy
Join Date: Jun 2014
Location: SEMO
Posts: 2,706
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Re: Should the Horn be a direct whort internally?
This is extremely confusing.
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10-23-2021, 11:50 PM | #3 |
Not Yet Wild
Join Date: Oct 2009
Posts: 52
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Re: Should the Horn be a direct whort internally?
Yeah, no kidding. I had a **** storm of Ground wires totally fried / melted . 1 was from the Pick Up coil to the connector to the Ignitor. 2nd was in the ground from the A1 at the gen to a "frame" ground on the mounting tab of the Relay. A third was in the wiring harness that goes from the battery forward to eventually the Ground wire on the horn. SOMETHING shorted, and all hell melted down. While stripping out the wiring harness, the Horn itself is internallya short, between the "hot and the Ground. IS THAT NORMAL? ( it would require power from the horn Button to be supplied, which I don't think is the case, ) so there is a Massive Short Some Flockin' Place in this outfit, I rebuilt the starter generator, - would a grounding spring on a brush cause shuch a massive blowup. Original simple question was, should the horn be shorted internally? However, if confusion rains. I'll go elsewhere for "help".
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11-14-2021, 03:09 PM | #4 |
Gone Wild
Join Date: Jul 2008
Location: Reddick IL
Posts: 11,220
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Re: Should the Horn be a direct whort internally?
A horn will show continuity. Something is not fused properly to melt ground wires. That said a short can start and start an arc that melts the insulation and is not enough to blow the fuse. the arc will crawl the length of the wire melting every thing close. that is why bedrooms have arc fault protection, those cheap light weight extension cords under beds and on the carpet.
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11-14-2021, 04:17 PM | #5 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,690
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Re: Should the Horn be a direct whort internally?
As I’ve been stating in your other post since day 1… these carts are known for bad ground causing all sorts of problems and melted ground wires. Address the grounding system first before trying to “fix” anything.
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