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Expert Answers about Chevrolet S-10 Pickup


  • Troubleshooting Wiring Harness on 2003 Chevy S-10
  • It is likely the result of a bad ground, but in order to determine the specific problem you encountered after installing harness # 118359 you'll need to use a circuit tester such as # PTW2993 to test the connector on your S-10 after disconnecting it from your trailer. Check the wiring going into your harness from your taillights to see if those wires are carrying the correct signals, if not then the issue is with the vehicle wiring. If the signals going to your harness are okay, you'll...
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  • Left Brake Light Does Not Work On Boat Trailer Connected To 2004 Chevy S-10 With Flat 4-Pin
  • Sounds like it is a ground problem. I would start with checking the ground of the left tail light of your boat trailer to make sure it is making a good ground. The tail light assembly is grounded to the trailer by either a separate ground wire to the frame or by the bolts of the tail light assembly being attached to the frame of the trailer. You will want to make sure the tail light assembly is fastened to the metal trailer frame securely and making a good ground. If it has the ground...
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  • Trailer Running Lights Not Working when Connected to a 2002 Chevy S-10
  • You can determine if the issue is on your 2002 Chevy S-10 by checking its trailer connector with a circuit tester such as # PTW2993. Have someone sit in the truck and turn on the running lights while you test the pins on the connector. If you are not getting any power on the running light pin then that does indicate a problem on the truck side. If the trailer connector on the truck is factory installed then it could be a fuse. Use the truck owner's manual to find the fuse locations. Be...
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  • Running Lights on 2001 Chevy S-10 Not Lighting Up Using Diode Kit for Flat Towing
  • The first thing you are going to want to check is if running light power is making it all the way back to the diodes installed on your 2001 Chevy S-10. You would do this by connecting the truck to the back of the RV (or other vehicle you are using) and turn the running lights on on the tow vehicle. Then use a circuit tester such as # PTW2993 if you need one. If there is no power on the input wire from the RV/tow vehicle, then the issue is somewhere ahead of the diode. It could just be...
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  • Troubleshooting Trailer Running Lights That Do Not Work When All Other Trailer Lights Work
  • When all trailer lighting functions work correctly except for the running lights this usually means a problem with grounding. Light functions such as turn signals and brake lights do not remain on continuously so they pull less current. Running lights on the other hand remain on continuously and so they pull more current. if you main trailer ground is not strong enough there may not be enough power for the taillights. Check your main trailer ground to ensure that the white ground wire...
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  • Yakima SkyBox Will Not Open From Either Side With Key Turned Counterclockwise
  • I spoke with Yakima and they said that you need to push down on the box just above where the handles are on both sides. If you are able to do this then engage the locks back and forth as that should then allow you to open your box. According to Yakima, if the cargo box was left on the vehicle for an extended period of time things can get jostled around and then cause this issue so once you get the box open make sure to inspect all of the components and let us know if anything needs replaced.
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