 Headlight Motor Troubleshooting |
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| andys |
 Aug 6 2012, 02:03 PM
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#1
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Advanced Member  Group: Members Posts: 2,165 Joined: 21-May 03 From: Valencia, CA Member No.: 721 Region Association: None 
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I haven't hit on a search that quite gets me to where I need, though hopefully someone has a link. I'm in the process of re-assembly of the headlight motors and mechanisms.
My right headlight motor works just fine (un-attached to the linkage at this point), but the left side doesn't, therefore I don't suspect the headlight switch. I swapped relays, and no difference on the left side. I'm thinking to jump red +12v to the green motor wire to see if the motor operates; is there any danger doing so? I figure if I that the motor is good, I can look elsewhere. I did slightly expand the relay pin tines, but it seems (from what I've read) that relay sockets are a usual suspect. Any suggestions on how to proceed? Perhaps there's a better troubleshooting sequence at this point? Thank you, Andys |
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| Drums66 |
Aug 6 2012, 02:07 PM
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#2
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914 Rudiments Group: Members Posts: 5,321 Joined: 15-January 03 From: Coronado,Cali Member No.: 151 Region Association: Southwest Region |
....Check & clean that ground wire, start there!! (connection's)
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| r_towle |
Aug 6 2012, 02:15 PM
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#3
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Custom Member Group: Members Posts: 24,574 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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run jumpers for positive and ground, see if the motor spins.
run jumpers for both to rule out the motor... then as stated above, look at your ground. If it works, start hunting wires, fuses, relays. rich |
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| andys |
Aug 6 2012, 02:17 PM
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#4
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Advanced Member Group: Members Posts: 2,165 Joined: 21-May 03 From: Valencia, CA Member No.: 721 Region Association: None
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QUOTE(Drums66 @ Aug 6 2012, 01:07 PM)  ....Check & clean that ground wire, start there!! (connection's) I buzzed-out the grounds against a known good ground, though that doesn't eliminate a broken wire somewhere downstream. Andys |
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| andys |
Aug 6 2012, 02:19 PM
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#5
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Advanced Member Group: Members Posts: 2,165 Joined: 21-May 03 From: Valencia, CA Member No.: 721 Region Association: None
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QUOTE(r_towle @ Aug 6 2012, 01:15 PM) run jumpers for positive and ground, see if the motor spins. run jumpers for both to rule out the motor... then as stated above, look at your ground. If it works, start hunting wires, fuses, relays. rich Rich, That's what I was thinking in terms of jumping the red +12v to the green wire which would bypass the relay. Andys |
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