hatcity Posted December 2, 2011 Share Posted December 2, 2011 I have electric to the boom on my truc for lites and boom extension.lost all power, checked fuses, replaced solenoid.Have power to sol, but no out. Can I bypass sol temporarily by putting power dircet to fuse panel?Do sol. have a pos. and neg.? or power one side,any side and a ground.sol. is 3 post continuous duty.Thanks, Ed Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment Share on other sites More sharing options...
Freightrain Posted December 2, 2011 Share Posted December 2, 2011 Most common soleniods are either 3 or 4 post. The two big posts are the switched power(in/out not critical). If it has only one small post, that is the keyed postive to activate it(grounds through the bracket of soleniod).Does it click when you activate the controls? Even if it does, the points might be burnt up and not make contact. If you can find a jumper wire, touch between the two big posts and see if something operates. Watch for large sparks depending on the current draw of the thing you are operating. If jumping the two post makes it work, then you need to replace the soleniod. 1 Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment Share on other sites More sharing options...
hatcity Posted December 2, 2011 Author Share Posted December 2, 2011 Thanks . I will be working on this in the am. Might be a bad sol. even though new. Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment Share on other sites More sharing options...
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