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Maintenance & Repair Electronic Gremlins: Electrical Problems That Are Driving You Crazy
1085 messages, Last post on Oct 29, 2009 at 11:41 AM
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Replying to: 2000buickrehab (Sep 29, 2009 9:43 am) Again, I don't have any electrical schematics for your vehicle, which you may want to locate/buy/subscribe to. I'll give you some generic things that I would look for: - check first that you have a good battery, should be putting out 13-14 volts, have good solid, no corrosion connections to the wiring. - Many vehicles will have a 'fusible link', or big chunk of metal that acts like a fuse, generally rated around 100 - 150 Amps.Think of this as the fuse to the main set of fuses. - There are some fused circuits, which are supplied power all of the time from the battery. Thinks like security system, lights, power door lock opener, etc. There could also be relays in this circuitry, to handle higher current levels. - There are some other fused circuits, which are only supplied power when the key is in the ignition and turned on. There could also be relays in this circuitry, to handle higher current levels (for instance, the key in the ignition turns on the relay, the higher current relay points provide the power to those fused circuits). Things like radios, heaters, a/c, defroster windows, etc When you have a number of items that are showing symptoms of electrical failure, start with your basic main battery power feeds, and verify that they are working.
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Replying to: kiawah (Sep 29, 2009 9:44 am)
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Replying to: 2000buickrehab (Sep 29, 2009 9:58 am) |
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Replying to: kiawah (Sep 29, 2009 9:57 am)
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Replying to: kiawah (Sep 29, 2009 9:57 am) |
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Replying to: 2000buickrehab (Sep 29, 2009 10:04 am) I've always bought the factory service manuals as well for my GM vehicles. I haven't seen the problem you reference with mis-labeling, so not sure what to expect with that. |
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| I have a 96 Range Rover SE 4.0 ac,at,4x4 pb,pw, etc. I was haveing trouble with it being underpowered and running rough, I did an ohm check on the plug wires they were ok then did a spark test from the coils, the two of the coils on the drivers side both were bad no spark at all the after futher inspection I could see that they were heat warped. I replaced with a complete coil pack 4 coils fixed a couple Exhaust leaks put it back togeather did a test drive it died, a complete loss of power I replaced the20amp main electrial fuse went back and checked the coils again and the same ones in the new coil pack were melted down same as before and the vehical still ran rough as before ? can anyone give me some insight ? | |
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