h4 harness issues
put the harness in a few months ago, worked great, huge improvement
but now, only my low beams work, when i turn my high beams on, i have no lights at all (parking lights work of course) i checked all connections (battery, ground at both lights, and plug going into the light) everything was good Now the weird part is the brights do work once in a while? I was told it could be those relays? is this true? where can i find some new relays that will last more than a few months? thanks in advance |
Does it have relays like the putco harness?
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If Putco, BW4136 relays.
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yes its the putco, has some chinese marking on the relays now, napa or carquest couldnt cross reference b/c of the chinese
does napa carry what i need, if i take those numbers to them? |
Originally Posted by black2000xj
(Post 2481698)
yes its the putco, has some chinese marking on the relays now, napa or carquest couldnt cross reference b/c of the chinese
does napa carry what i need, if i take those numbers to them? |
Originally Posted by cruiser54
(Post 2481731)
Yep.
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I've found them available at Advance Auto. AA lists two.
Part # r4136 as "BWD Relay" Part # r4136p as "BWD Headlight Relay" I went w/#r4136p. These relays won't mount to the PUTCO bracket. My one original PUTCO relay is still doing fine. |
Originally Posted by EZEARL
(Post 2481746)
I've found them available at Advance Auto. AA lists two.
Part # r4136 as "BWD Relay" Part # r4136p as "BWD Headlight Relay" I went w/#r4136p. These relays won't mount to the PUTCO bracket. My one original PUTCO relay is still doing fine. will the r4136 fit my harness? |
So, did you replace any of the relays? do you have factory fogs?
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Originally Posted by PocketsEmpty
(Post 2481758)
So, did you replace any of the relays? do you have factory fogs?
the numbers i was given dont match up according to napa or carquest customer service says to contact the place where i bought them and it will be under warranty. Well thats great but i forgot where i ordered them from and no on the factory fog lights...jeep never had them... |
black2000xj,
Yea,it'll fit. My harness is a PUTCO also. I went with r4136p because the housing was of heavier material. Just type in r4136 and/or r4136p. Both will come up. http://shop.advanceautoparts.com/web...hedFrom=header |
Originally Posted by EZEARL
(Post 2481767)
black2000xj,
Yea,it'll fit. My harness is a PUTCO also. I went with r4136p because the housing was of heavier material. Hope the link works. http://shop.advanceautoparts.com/web...hedFrom=header Does this issue sound like a relay, with the high beams only not working *thanks for the link...i will get some tonight |
I changed out my relays on the AA parking lot. It fits.
My problem started with my high beams not working all the time. Then one night nothing. Next day I switched the two PUTCO relays and hi's worked. I could get the bad relay to work by pinching the housing but of course that would never do. Relay was sticking open. If you look at the pics at AA's site you'll see that the housing is diff from the PUTCO so you can't mount them on the PUTCO bracket. I made one to work but you could just zip tie it somewhere. |
Originally Posted by EZEARL
(Post 2481785)
I changed out my relays on the AA parking lot. It fits.
My problem started with my high beams not working all the time. Then one night nothing. Next day I switched the two PUTCO relays and hi's worked. I could get the bad relay to work by pinching the housing but of course that would never do. Relay was sticking open. If you look at the pics at AA's site you'll see that the housing is diff from the PUTCO so you can't mount them on the PUTCO bracket. I made one to work but you could just zip tie it somewhere. great i will get some tonight...hopefully this will fix it |
Put your lo beam relay on the hi beam harness to check. Both relays are the same.
Wonder if anyone else besides us has had a problem with the hi beam relay? My lo beam one is fine. HOPE I didn't just jinx myself! |
Originally Posted by EZEARL
(Post 2481811)
Put your lo beam relay on the hi beam harness to check. Both relays are the same.
Wonder if anyone else besides us has had a problem with the hi beam relay? My lo beam one is fine. HOPE I didn't just jinx myself! i didnt know ther was a difference...i will try switching them tonight when i get home to see |
ok guys bought 2 new relays from AA
i installed them and i still have no brights. I took both off, switched them around and got the same results cleaned all the grounds, but i still cant get my brights to work. Do you think its the harness or the headlight itself? As mentioned before, the high beams will work once in a while, id say about 10% of the time any ideas? anything i should do..all the connections are made with die electric grease so i know water and dirt shouldnt be a issue :dunno::dunno::dunno: Help! |
Originally Posted by black2000xj
(Post 2484431)
ok guys bought 2 new relays from AA
i installed them and i still have no brights. I took both off, switched them around and got the same results cleaned all the grounds, but i still cant get my brights to work. Do you think its the harness or the headlight itself? As mentioned before, the high beams will work once in a while, id say about 10% of the time any ideas? anything i should do..all the connections are made with die electric grease so i know water and dirt shouldnt be a issue :dunno::dunno::dunno: Help! |
Originally Posted by freegdr
(Post 2484439)
Check for current going into relay with test light .
I dont think it can be a ground issue b/c if the grounds were bad i wouldnt have any headlights....right?? |
Originally Posted by black2000xj
(Post 2484444)
I got to have current going thru, my low beams work. But its my high beams, didnt work with the old relays, still dont work with the new relays
I dont think it can be a ground issue b/c if the grounds were bad i wouldnt have any headlights....right?? |
Originally Posted by freegdr
(Post 2484446)
Both relays have own grounds from putco harness each relay gets separate power from factory xj plug. check for power going into high beam relay from factory plug .
but i will take a look tonight |
Originally Posted by black2000xj
(Post 2484448)
ok i will...I might just have my buddy who does led wiring make me another harness, with cheaper bosch relays instead of these chinese one
but i will take a look tonight |
Why guess when you can test?
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Originally Posted by cruiser54
(Post 2484451)
Why guess when you can test?
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Not only check for power but make sure all the wire contacts that deal with the hi's are inserted all the way and lock into the connectors. Had such a situation with a brand new vehicle's ignition system yrs back. Tested positive for power but the contact would push back into the connector when plugged in causing an intermittent loss of power.
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Originally Posted by freegdr
(Post 2484454)
Morning sir
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Originally Posted by cruiser54
(Post 2484557)
Good morning back at ya!! Off to work I go. Know how hard it is to sell propane in Arizona on 85* days?
Back on topic...I've been using dielectric grease on every darned electrical connector I mess with. Did you do that? :p I plan on getting my new harness installed here as soon as I wrap up my disc conversion.. |
Beware: if your original connectors are weak and don't "pinch" very well on the female side, dielectric grease is causing you problems. Dielectric grease is an INSULATOR - it is like caulking that never dries. It needs to be applied around the edges like a sealant. Think about it - do you do the edge of your water pump with RTV, or fill the whole unit and then wonder why you're overheating? Why would you do that with an electrical connector?
While you're checking your connectors, do the following - Take them all apart - Genty clean them with a brass wire brush and a heptane or hexane contact cleaner. You may have to alternate to remove all corrosion and contaminants - Use a dental pick on female connectors to end the prongs inward. The idea is to get them to grip onto the male pins better - Apply a light amount of a conductive electrical grease on either the pin or socket. Examples of these are Gardner Bender OX-GARD and Ideal NOALOX. You can find these at Home Depot, Lowes, etc. (Other products here: http://www.k1ttt.net/technote/antiox.html) - Apply dielectric grease around the perimeter of the connector. Do not get any on the actual conductor. Remember, its like a gasket. - Reassemble, wrap with tape if you feel like it. A multimeter is essential for this type of work. Runs and connectors should read 0.3 ohms or less. When I installed my Putco harness I did the above, my grounds are 0.1 ohm to the battery and well protected from the elements. |
Originally Posted by salad
(Post 2484908)
Beware: if your original connectors are weak and don't "pinch" very well on the female side, dielectric grease is causing you problems. Dielectric grease is an INSULATOR - it is like caulking that never dries. It needs to be applied around the edges like a sealant. Think about it - do you do the edge of your water pump with RTV, or fill the whole unit and then wonder why you're overheating? Why would you do that with an electrical connector?
While you're checking your connectors, do the following - Take them all apart - Genty clean them with a brass wire brush and a heptane or hexane contact cleaner. You may have to alternate to remove all corrosion and contaminants - Use a dental pick on female connectors to end the prongs inward. The idea is to get them to grip onto the male pins better - Apply a light amount of a conductive electrical grease on either the pin or socket. Examples of these are Gardner Bender OX-GARD and Ideal NOALOX. You can find these at Home Depot, Lowes, etc. (Other products here: http://www.k1ttt.net/technote/antiox.html) - Apply dielectric grease around the perimeter of the connector. Do not get any on the actual conductor. Remember, its like a gasket. - Reassemble, wrap with tape if you feel like it. A multimeter is essential for this type of work. Runs and connectors should read 0.3 ohms or less. When I installed my Putco harness I did the above, my grounds are 0.1 ohm to the battery and well protected from the elements. |
Originally Posted by salad
(Post 2484908)
Beware: if your original connectors are weak and don't "pinch" very well on the female side, dielectric grease is causing you problems. Dielectric grease is an INSULATOR - it is like caulking that never dries. It needs to be applied around the edges like a sealant. Think about it - do you do the edge of your water pump with RTV, or fill the whole unit and then wonder why you're overheating? Why would you do that with an electrical connector?
While you're checking your connectors, do the following - Take them all apart - Genty clean them with a brass wire brush and a heptane or hexane contact cleaner. You may have to alternate to remove all corrosion and contaminants - Use a dental pick on female connectors to end the prongs inward. The idea is to get them to grip onto the male pins better - Apply a light amount of a conductive electrical grease on either the pin or socket. Examples of these are Gardner Bender OX-GARD and Ideal NOALOX. You can find these at Home Depot, Lowes, etc. (Other products here: http://www.k1ttt.net/technote/antiox.html) - Apply dielectric grease around the perimeter of the connector. Do not get any on the actual conductor. Remember, its like a gasket. - Reassemble, wrap with tape if you feel like it. A multimeter is essential for this type of work. Runs and connectors should read 0.3 ohms or less. When I installed my Putco harness I did the above, my grounds are 0.1 ohm to the battery and well protected from the elements. |
Originally Posted by cruiser54
(Post 2485203)
salad: thanks for saving me the trouble of all that typing.
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Originally Posted by PocketsEmpty
(Post 2485063)
Good info. Apparently everything my dad taught me about the stuff was a lie :lol: I guess I've been lucky so far
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I used it yesterday on a 97 rear turn signal, didn't work at first cuz the bulb burnt up. New one didn't work either, but after a small dab of dielectric grease to the connections it worked just fine? I also used the stuff in every one of my connections I could find following cruiser54's instructions, and I haven't seen any issues. Should we really worry about it?
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Originally Posted by salad
(Post 2485537)
AND I did all that on my iPhone. What your generation did to their joints after 60 years I did in 10 minutes! Thumbs are still sore from that
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Originally Posted by cruiser54
(Post 2485618)
Hey!! Are you calling me old? 59 years young. Lost 16 pounds since December. getting close to my fighting weight!!!
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Originally Posted by salad
(Post 2485641)
More than twice the age of my sore thumb :yes:
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Sounds like some people here forgot to take there meds yesterday .:icon_smile:
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Originally Posted by freegdr
(Post 2485858)
Sounds like some people here forgot to take there meds yesterday .:icon_smile:
salad's my buddy. I pick on him just like I do you. |
Originally Posted by cruiser54
(Post 2485912)
I did cut mine in half..
salad's my buddy. I pick on him just like I do you. |
Originally Posted by freegdr
(Post 2485917)
Figured so....
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