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headlight combo switch smoking...

For all things Electrical.

Moderator: -Scott-

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Posts: 336
Joined: Thu Aug 11, 2005 8:23 pm
Location: dromana, vic

headlight combo switch smoking...

Post by dromana7411 »

nissan patrol MK 1984 2.8...

when i put my headlights on the back of the combo switch starts to burn... i took all the covers off, and only one of the brass bits gets hot... but i dont know what one or what it does..

im running a pair or lightforce 240's and 4 other spotties... lightforce are on a piranah loom... and the 4 others are on another loom... they both join to the hi beam at the back of the headlight, and are also on switches.
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Post by -Scott- »

Does the problem happen with all your spotlights turned off? Presuming it makes no difference...

If it gets hot on high beam AND low beam, it's the common. But, without knowing if it's positive switching or negative switching, that doesn't help.

If it's the switch itself getting hot, that indicates that the switch itself is the problem. It would be good to pull it apart and clean the contacts - not necessarily an easy thing to do.

OK, I can't help. :lol:
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Posts: 336
Joined: Thu Aug 11, 2005 8:23 pm
Location: dromana, vic

Post by dromana7411 »

happens with the spotties off, and on... its the back of the combo switch that gets hot, (the contacts on there) i have cleaned it all.. but havnt pulled it off... which i will do 2morrow.... i guess... maby just put my other one off and see if it does it...
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Location: Brisbane

Post by Ghost »

do you have the spoties on a relay?
90 GQ Ti Highroof not an import.
4.2 Diesel Sprintex Super Charger
33's 3" Lift Front and Rear lockers
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Posts: 336
Joined: Thu Aug 11, 2005 8:23 pm
Location: dromana, vic

Post by dromana7411 »

yeh they all run threw realays... 2 for each realy...
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Location: Tamworth, NSW

Post by ricky1970 »

Are the headlights relayed? Got bigger headlight globes? Dirty/bad connections in wiring? Headlight wiring to small?
All will increase load on switch, therefore increase heat.
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Posts: 336
Joined: Thu Aug 11, 2005 8:23 pm
Location: dromana, vic

Post by dromana7411 »

replaced the headlight combo switch... all good now...
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