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post #6 of (permalink) Old 3rd March 2007
Technical Supremo

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Battery Probs

I havea 1994 Clio (diesel with a large battery) with round screw-on battery connectors - they are original - never have any probs whatsoever. Unless they are damaged give them a good clean. All battery connections are prone to corrosion which can be hard to detect. The lead terminal on the battery will go dark grey but if wire brushed will sparkle like new. Clean both connectors and battery terminals make good the connections and then smear them with vaseline - this excludes the oxygen in the air from causing oxidisation in the first place. One other thing worth checking is if the negative lead from the battery is got a clean connection to the body or earth as it's commonly known. As a matter of precaution and you have a meter check thec urrent flowing across the battery when stationary and ignition switched - in case there is an unneccessary drain - there should be a current of about 15 milli-amps or less when car is closed up - this is usually just to run the clock and keep the memory alive in the radio, eyc
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