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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
742/743 Fuel Pump Clicking
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<blockquote data-quote="onepoket" data-source="post: 109599" data-attributes="member: 18152"><p>foton, </p><p></p><p>This happens when the engine is off with the key in the run position so that accessories can be turned on. </p><p></p><p>When the engine is running it has the same symptoms. I can actually hear the pump clicking and it syncs to the pulsing of the lights. Occasionally the pump will stop for a second or two and the lights will also stop pulsing. So, I'm thinking that the alternator doesn't have much to do with it. It is either the pump is stealing voltage from the lighting circuit when it cycles on or it is kicking back voltage as the pump cycles off. Not sure how to measure that exactly. But I think the diode Tazza suggested is part of the solution. </p><p></p><p>My only other thought is to try and really separate the power and ground connections for the pump and the key/accessories/lights so that they are not sharing any wiring, maybe there is some overlap in how it is all hooked up right now. But snow storm is on us so I will have to live with the pulsing since I need to plow with it. </p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="onepoket, post: 109599, member: 18152"] foton, This happens when the engine is off with the key in the run position so that accessories can be turned on. When the engine is running it has the same symptoms. I can actually hear the pump clicking and it syncs to the pulsing of the lights. Occasionally the pump will stop for a second or two and the lights will also stop pulsing. So, I'm thinking that the alternator doesn't have much to do with it. It is either the pump is stealing voltage from the lighting circuit when it cycles on or it is kicking back voltage as the pump cycles off. Not sure how to measure that exactly. But I think the diode Tazza suggested is part of the solution. My only other thought is to try and really separate the power and ground connections for the pump and the key/accessories/lights so that they are not sharing any wiring, maybe there is some overlap in how it is all hooked up right now. But snow storm is on us so I will have to live with the pulsing since I need to plow with it. Thanks [/QUOTE]
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742/743 Fuel Pump Clicking
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