kjgreen3 Posted April 7, 2013 Share Posted April 7, 2013 If your 120A fuse has blown, Ideally check the entire fuse carrier assembly first before putting in another 120A fuse. You really need to work out what caused it to blow if it has. I'm not up reasons why, possibly other members can chip in why it would blow. I can only think of maybe a direct short to bodywork from the positive feed out from that fuse (that 120A fuse feeds all the other fuses via a positive busbar under the fuse carrier) so check for that first. Or TEMPORARILY put a very thin bit of wire (less than half a millimetre thick) across the blown 120A fuse, 'battery disconnected first!' reconnect battery and check to see if gauges, dash and exterior lights now have power. Ideally using a clamp meter across main battery positive to check for excessive current draw. DO NOT TRY TO START CAR WITH THIS METHOD ITS PURELY FOR DIAGNOSIS. If all the above is fine buy new 120A fuse install cross fingers and try to start car from a healthy fully charged battery without jump starting. Quote Link to comment Share on other sites More sharing options...
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