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Valsi Generator problem

You stated in your solution to check the diodes to see if they look OK. How would they look if they are not OK?? Would they appear burned? Is there another way to test the diode and the capacitor to see if it is functioning properly. I can get Valsi to ship the parts to me from Mexico, but don't want to buy both items if it is not necessary. Thanks for the response.

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The diodes should look burned/split you would be able to pysically see if they have blown. If the diodes seem to be ok then they are best left alone as they are soldered in place and are not the easiest things to replace. The correct sized capacitor shouldn't be too expensive around £20 sterling/ $40 dollars. You could also check to see if the windings are down by checking the continuity through the windings with a multimeter ( should be continuous ). If not then i am afraid you would need to change the complete alternator!! The diodes should cost only pennies and are worth getting just in case. The capacitor needs to be checked with a suitable meter capable of mesuring capacitance they are not a common item to come by and need to be used by someone with reasonable electrical knowledge. Aside from that there isn't much else that could be causing you a problem other than obvious things like damaged/broken wiring or circuit breaker/fuse problems. If i were you, i would go ahead and buy the capacitor and try it, sending it back if it doesn't work. Hope this helps.

Posted on Sep 19, 2008

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