The past 2 years I have taken my truck to Kwik Kar for the inspection and both times they have temporarily fixed it long enough for it to pass inspection and for the rest of the week and then it would go out again and I don't know why. I have got to get it fixed. Please help!!!
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Find horn under hood,than unplug the wire on it ,take a long enough wire to reach battery and horn touch wire on horn where the plug gos in and the other end of wire on battery,if the horn dont sound than its the horn, go to harborfreight or parts store and buy a new one, ifr the horn does sound than take off panel on steering wheel,3 screws behid wheel and look for wire to be pluged in and check the grounding wire.
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Subject: How to check an inoperative horn
Customer's exact description:...the horn on my 1995 Buick LeSabre does not work...how to fix? Here's how it's done: Step 1. Start with the pre-check: Do a Thorough Visual Inspection Do a thorough visual and "hands-on" underhood inspection before starting any diagnostic procedure! You can find the cause of many problems by just looking, thereby saving yourself a lot of time.• Has the vehicle been servicedrecently? Sometimes things getreconnected in the wrong place, ornot at all.• Don't take shortcuts. Inspect connectorsand wiring which may be difficult tosee due to location. Step 2. Instructions: One. Remove the horn relay and check for battery voltage at the relay connector terminals.
If battery voltage is present at both terminals, go to Two.
If battery voltage is not present, check the ORN wiring and the relay fuse for circuit.
Two. With the horn switch depressed, measure voltage from the relay terminals. Wear hearing protectors, if someone is assisting you and depressing the horn switch while you're under the hood.
If voltage is present, go to Three.
If battery voltage is not present, check the black wire for an open circuit; check the connectors for proper terminal contact; check the in-line connector for proper terminal contact; check the spring loaded contact, slip ring, and horn switch for an open circuit.
Three: Connect a fused jumper from relay connector terminal 30 to terminal 86.
If the horn does not sound, go to Four.
If the horns sound, replace the horn relay.
Four: Disconnect the the suspect horn connector. Connect a fused jumper from the suspect horn terminal B (dark green) to the positive + battery terminal.
If the horn sounds, check the wiring to the horn relay for an open circuit or short to the ground.
If horn doesn't sound, check the black wiring for an open circuit, if OK, then replace the horn.
Which year model is this Hyundai?? What have you done (if anything) to determine/find out the cause? Have you looked/inspected it yourself? If so, what did you find? Have you taken it to a mechanic for diagnosis? If so, what did the mechanic find?
Tell Kwik-Kar that they are full of ****. The Sienna A/C is virtually bulletproof, and I have NEVER had to "replace" a system. That being said, I would guess that the freon charge is low. Open the hood, turn on the A/C and look at the sight-glass next to the radiator. Do you see any bubbles? If so, the freon charge is low. Get a qualified A/C tech to hook up same A/C gauges & read the high & low sides of the system, that result will give you the avenue to persue.