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How to test to see if my horn is working in my fender rumble 350

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Horn location on a 1980 crvette


On an 80 model, should be in front between the headlight actuators..two if im not mistaken..I believe in 81 they swapped to the inside of each front fender...they also used a horn relay in 1980...if the horns aren't working, check the bolts, they are the ground for the horns...they also put like two things under the horns..act as insulator and contacts...if they are not in good shape horns wont work...if you open the hood and look just to the inner side of each headlight you should be able to see the horns.. bolts and pieces under horns very likely the problem...if its a late year production and they are inside the front of the fenders you have to pull the fenders and front clip piece..horn relay should be by fuse box..good luck!

Sep 18, 2015 | Cars & Trucks

1 Answer

1996 horn doesn't work but alarm does


I had to go to a salvage yard and purchase an air bag (which include the horn contacts) to repair my horn. The wiper washer could be a list of things. Does your fluid run out on the ground? - broken washer hose? Listen by your lower right front fender behind the wheel and have someone push your washer lever and see if you can hear the pump running. If not, could be a pump motor (check with a test light after pulling the inner fender) or the multi-function lever in the steering column.

Mar 09, 2014 | 1996 Buick Riviera

1 Answer

Fender rumble 350 power on no sound


check all valves (tube) coupling cap, power supply cap leaking

Nov 30, 2013 | Audio Players & Recorders

1 Answer

Hello ! Do You have shematic diagram for bass guitar combo Fender Bass Rumble 100 / 15 ? If You have it, please snd me on my e-mail ? Regards Zlatko


Try this link:http://www.fender.com/support/amplifier_schematics.php If your amp isn't listed contact them and they will send you one.

Oct 21, 2010 | Fender Rumble 100 Bass Guitar Amplifier

1 Answer

My Fender Rumble 25 makes a terrible crackling sound when the volume is turned up over the 4 or 5 mark. I don't think the speaker is blown as the same sound comes via the headphone socket.


Here is the schematic:http://www.fender.com/support/amp_schematics/pdfs/Rumble_Bass_Schematic_-B21.pdf Check the tubes to see if one is loose in its socket. Do not attempt to repair this yourself unless you have amplifier repair experience as it is easy to get a bad or life threatening shock without the correct test gear and troubleshooting procedures.I hope this helps.

Nov 26, 2009 | Fender Rumble 100 Bass Guitar Amplifier

2 Answers

My horn doesnt work


Once you checked the Fuse as OK ( engine compartment fuse panel, fuse #7 ) , might want to try shorting the Normally Open contacts in the Horn relay, to see if it is the horn, or the switch from the steering wheel.

Pull the Horn relay ( Ford 1/2 ISO relay ) Relay 205 in the same fuse panel in the engine compartment ). Looking into the relay socket, you will see 2 sets of pin terminals that are the width of the narrow direction, and 2 that are point the length.
The 2 pin terminals that are the direction of the narrow width of the socket, jumper with a 16/18 AWG, and the horns should sound.
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If the horns do not sound, check the pin terminal #3 for +12 V DC ( hot all the time ) with a known good ground ( lug in the fender or the neg side of the battery.
If this checks OK, with the jumper in place, pull the horn connector,and check for +12 V DC on one of the pins, to a known good ground ( fender lug where the headlamps are grounded ).
Horns are behind the bumper on the passenger side, directly below the headlamp.
Next test the same, using both pins in the horn connector.
If you have +12 and ground at the horn connector, the horns are the problem for some reason.

If the horns honk doing the jumper test, work back towards the horn button / clock spring area.
Pin terminal #1 in the socket should be hot all the time, and the pin # 2 is what ground is switched to from the horn button, to activate the coil in the relay.

If you do not have ground at Pin #2 when pressing on the horn, try tilting the steering wheel all the way to the up position and try again ( some times the connector at the base of the steering wheel column pulls apart ).
If the tilt does not change getting ground to the horn relay, the next step would be to test the clock spring, but this requires removing the airbag, and really should be a professional job.

Nov 07, 2009 | 2001 Ford F150 Styleside SuperCrew

1 Answer

My fender rumble 100 used to cut out, now it's


Suspect the input jacks. Wiggle them and see if you get anything. They get yanked sideways because the musicians don't loop their cord thru a handle and they get yanked sideways.

Also you can try spraying sparingly CRC226 into the switches and pots. You can get it at Home Depot in the electrical department.

Oct 08, 2009 | Fender Rumble Series 100/210 100watt 2x10...

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