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Expert Answers about Toyota Corolla


  • Troubleshooting Curt 4-Pole Wiring Harness 55542 on 2009 Toyota Corolla
  • Thank you for purchasing the Curt trailer wiring harness # 55542 and for sharing the detailed troubleshooting steps you have already taken to find the issue with the passenger-side trailer lights. It sounds like you have had a friend connect his vehicle to your trailer and noted that the trailer lights all worked fine with his vehicle and wiring. Based on this it sounds like the problem is with the harness-to-vehicle connection point on the passenger side. Disconnect the passenger side...
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  • Troubleshooting a 7 Way Round Connector on a International Tractor
  • I can help you troubleshoot your wiring issue. Sounds like maybe your connector isn't wired up properly. First thing I recommend is to check that your plug is wired up properly, I have linked a few images for your convenience. You should have power coming out of the 11 and 1 o'clock pins on the socket, use a circuit tester like # PTW2993 to make sure that the power is transferring from tractor to trailer when the running lights are on. If you do not have power on one or both of these...
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  • No Turn Signals on a Trailer with New Lights being Towed with a 1997 Toyota Corolla
  • It sounds like you are saying that your Toyota Corolla has working turn signals but that the trailer connector on the vehicle does not have the turn signal functions. This is most likely because the trailer wiring on your car does not have a converter installed that will combine the turn signals with the brake light signal for towing a trailer with a US standard two wire system. The correct wiring harness for your 1997 Toyota Corolla is the Taillight Converter Hardwire Kit, # 119178KIT....
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  • When headlights are on, Left Turn Signal Does Not Work After Wiring a 2006 Toyota Corolla
  • It sounds like you have a bad ground connection. You are correct that the # 55542 harness uses the vehicle ground, so I would turn my attention to the trailer. If all ground connections are not making good contact to bare metal, when the tail lights are turned on then the trailer lights will go out or not function properly. You will need to check all of the ground connections especially where the taillights are mounted to the trailer frame, and where the light brackets are mounted if...
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  • Availability of 4-Way Tester and Connector Cover
  • We do have 4-way testers that would plug into the car side of trailer wiring with the part # I26. This has lights that will come on when it detects that a circuit is active. We have the dust cover part # C58200 which is a fit for both the trailer and vehicle side 4-ways of a vehicle. This would work well for you. I attached a help article on troubleshooting trailer wiring for you to check out too.
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  • How to Clean Roadmaster Tow Bar Arm to Help with Sticky Inner Arms
  • I contacted Roadmaster about instructions on cleaning their tow bars. The representative at Roadmaster informed me that you will want to start by soaking the arms with a degreaser. Then, you will want to move the arms in and out and rinse off with water. After rinsing the arms, you will want to dry the arms thoroughly and finally spray a dry silicone spray on the arms. The representative at Roadmaster cautioned NOT to use WD-40.
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  • Replacement Lock and Keys for Rhino Rack Roof Racks and Accessories
  • Good question! No worries here we have exactly what you need to get your locks back in proper order. You will use Rhino-Rack Masterkey Lock Barrels - Keyed Alike part # RRRK093-2 or part # RRRK062-2 this will provide you with 2 keys (one master to remove to old cores and one to operate the locks) and 2 new lock cores. You just place the master in the core then rotate and pull to remove them. These will not only work on your roof rack but on any Rhino Rack accessories so it might be a...
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  • How to Test Trailer Connector to Determine Function Assignment on Each Pin
  • The 6-way and 7-way trailer connector formats can be configured in more than one way. Please refer to the linked article on trailer wiring that shows the different ways 6-way, and 7-way connectors can have their functions assigned. On a 6-way round-pin setup the center pin is usually assigned to carry 12V power, but it can also be used for a brake signal for a trailer or tow dolly. On a 7-way blade-pin connector there are also multiple ways those circuits can be assigned. The best way...
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  • Rubber Bike Straps are Hard to Stretch
  • A bike rack's rubber straps can be tough to manipulate, but they are made that way for a reason. If the straps were easy to stretch, then they may not last as long or provide a secure hold for your bike. Over time the straps will become more flexible. Also, as long as the strap has a snug grip on the bike, it is not necessary to over-tighten the strap around the bike's frame. If the bike rack is fairly new, my suggestion for you would be to let the straps warm up by leaving them out in...
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