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When you turn on iginition, buzzing comes from fuse box. When you turn the ignition, the engine does not turn. All fuses check ok. Atop the fuse box there are 4-5 harnesses going into the top of box. When you unplug any of the harnesses the buzzing stops but still not iginition
Re: When you turn on iginition, buzzing comes from fuse...
Check your computer under the hood and make sure none of those fuses are blown. Also, can the vehicle be jump started. I have a 2000 expedition that did that and a fuse was blown under the hood.
I had this same problem. I replaced the whole fuse box and fixed the problem. lke 250 in cost.I had this same problem. I replaced the whole fuse box and fixed the problem. lke 250 in cost.
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Under the left side of your back seat is a fuse / relay box . When you first turn the key on the fuel pump relay turns on for a few seconds to prime the fuel system . That relay is in that fuse / relay box ,that is what your hearing . Does the vehicle start an run good , no problems other then the buzzing sound .The vehicle battery is also under the rear seat on the right side . How To Locate and disconnect Battery Buick Lesabre Pontiac Bonneville 00...
If you had said what car we could help, so I'll just tell you to find the in car fuse box and under hood fuse box from the owners manual and see where the relay is.
The fuse is in the fuse box in the car, the hand book should tell you which fuse it is. If the fuse is OK, there is a switch on the front or top of the gearbox, should have two wires going to it. Could have come unplugged, if you bridge these wires and turn the ignition on, the reverse lights should come on, if they do, it's a faulty switch.
Do you know how to test automotive electrical circuits ? Using a volt meter an wiring diagram to locate problems ?
Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year ,make , model and engine size . Under system click on engine , under subsystem click starting . Click the search button then the blue link . The buzzing sound you hear may be the starter relay , do you know what a relay is ? Behind the right side kick panel , this is where the front passengers right foot would be next to . Pull the plastic cover and behind is the central junction box. You can check for B+ voltage where the relay plugs in . VEHICLE RELAYS Operation Diagnosis
mcdevito75 here, The key completes a warning circut in the off position of the ignition switch, this buzzing sound is a relay usually in the fuse box, find the fuse box, leave the key in the switch, listen and locate the buzzing sound and remove the relay from the fuse box, this relay may also be alone just under and around the steering column.
I'll bet it's NOT the fuse...these are notorious for bad shocks...look to spend upwards $800+ to fix (check with AutoZone/NAPA parts counterperson for aftermarket fixes from Monroe. The fuse is in the engine bay under a black plastic box atop one of the fenderwells...labels for the fuses are on the underneath of the lid of the box. Good Luck
most probable cause could be a faulty ignition switch. Does the lights on the dash come on when you turn the key to the on position ? Do they turn off when you turn the car to the start and are about to crank the engine ? If that does not happen you will have to replace the Ignition switch. They don't have a fuse for the dash lights.
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