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In my case, both horns were bad... one had unknowingly been bad when I purchased the suburban a few months ago and the second failed a few weeks ago, hence silence when depressing the horn pad. I first tested for power at the horn unit. When my 11 year old daughter pressed the horn, using a tester at the plug end, 12 volts were read at the right side horn unit. This test told me all relays and fuses were fine and both horn units were bad. I purchased a low and high tone horn on line. Replacing the right side (passenger side) was simple. You only need a 10 mm socket on your back in front of the front wheel. Remove the single bolt and unplug. "REMEMBER, you will need the plug adapter from the original horn unit. Be careful in removing this, prying the tabs back and up so the adapter can be reused. Installation is the reverse of the removal. Replacing the left side (driver side) was more work, but not difficult. Process included: a) remove the battery, b) remove the battery tray, c) (Lower washer reservoir unit) remove the washer unit reservoir upper bolt. Now under the vehicle in front of the left front wheel, d) carefully remove the 2 plastic fasteners which hold the lower washer reservoir to the tire shrowd, e) remove the lower bolt on the washer reservoir unit (don't let this fall), f) unplug each of the three reservoir plugs, g) lower the reservoir unit and let it rest on a box or small bucket. You do NOT need to remove it or detatch the hoses h) back on top, reach down and remove the "Nut" which fastens the horn to the horn bracket (I did not remove the bracket like I did on the right side) i) carefully unplug the horn wire harness j) install the plug adapter onto the new horn and then the new horn unit (note: I was only able to point the horn opening toward the side of the car directly at a support bracket but the horn sounds fine even in this position k) install and tighten the nut attaching the horn unit to the bracket. Now under the car again l) raise the washer reservoir unit and install the 3 plugs, m) install the lower reservoir bolt, n) install the upper reservoir bolt, o) install batter tray (note: I used some "extend" on the tray to arrest some minor rust..optional of course), p) install battery q) install plastic lower reservoir fasteners r) Test .... good luck. Ben Mansi

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โˆ™ 2009-02-10 12:35:19
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Q: How do you fix your horn to your 2001 Chevy Suburban?
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