Posted by Uppercanada on December 03, 2011 at 20:14:07 from (174.35.231.183):
I"m trying to help a neighbor out with the battery wiring on his "89 611. He installed a new parallel switch (very incorrectly) so I sorted it out according to this: (he was told that the old switch was bad, with no real testing - but I am really starting to wonder if just the starter relay is/was bad?)
terminal 30 positive from battery, neg connected to chassis earth. terminal31a other battery neg, pos connected to starter solenoid.
termial50 connected to small (trigger) terminal on starter solenoid
terminal30a connected to postive battery terminal connectd to starter.
terminal50a from key switch start position.
terminal31 connected to chassis earth.
"to test unit connect 50a and 30 together engine should start, if not check output at terminal50, ok means falty starter, no output means 24volt relay at fault, contact points inside unit can sometims be succesfuly cleaned and repositioned(bent)"
When I jump 50a and 30 together to test the unit, the starter will not engage - I just get a relay that clicks underneath the dash (the starter relay)? A test light shows power at 50a; when the key is turned the test light gets brighter (like 24v). Currently nothing happens (no click at that relay) when the key is turned, only hear it when jumping 50a and 30.
I am wondering if the starter relay is not working properly, I took the covers off both and I see nothing obviously wrong with them. 2 relays: a small one with a metal cover and a larger with a plastic cover. Larger plastic cover one makes the click, other smaller does not.
Jumping the 50a and 30 repeatedly results in the odd brief engagement of the starter.
I also wonder if because it had been wired so bad previously that it may have been damaged some how (when he wired in the new parellel switch) or if is the starter relay or something other wrong.
Next step is the local Belarus dealer coming out to check it out.... Maybe I can spare him that expense? Thanks for your help in advance.
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