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| 268 Vista - $*#! https://www.smwebhead.com/phpBB3/viewtopic.php?f=6&t=16032 |
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| Author: | Graham R [ Mon Jul 02, 2018 4:58 am ] |
| Post subject: | Re: 268 Vista - $*#! |
When you check the battery voltage, I expect you are checking the voltage across the terminals. When you get the 11V indication at the dash/ ignition switch, the voltage is dependent on which ground ( -ve) point you use. Corrosion where the battery negative cable attaches to the engine is common ( the exhaust manifold drain dumps water over them !). To check if it's a ground issue, run a (long) wire directly from the -ve battery terminal to your multimeter; I used to keep one on board "just in case"! |
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| Author: | Graham R [ Mon Jul 02, 2018 4:58 am ] |
| Post subject: | Re: 268 Vista - $*#! |
When you check the battery voltage, I expect you are checking the voltage across the terminals. When you get the 11V indication at the dash/ ignition switch, the voltage is dependent on which ground ( -ve) point you use. Corrosion where the battery negative cable attaches to the engine is common ( the exhaust manifold drain dumps water over them !). To check if it's a ground issue, run a (long) wire directly from the -ve battery terminal to your multimeter; I used to keep one on board "just in case"! |
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