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Re: elect no power
Check on the starter there should be big lead bolted on it now with that big lead there should be a smaller lead bolted with it that lead supplys power to the cab that smaller wire has a fuseable link in it now pull hard on wire to see if it has a break in it the tou can just join the wire to get you going but you need to replace the fuseable link because if you ever have another short it wil burn cab wiring if this didnt help let me know been a while since i work on one
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Pretty sure there is no relay for the headlights. There are two 10 amp fuses in the fuse block, one for each side headlight. The power to the fuses is directly off the black fusible link (in your fuse link box, under hood, by the battery). Then the fused wires go into the headlight switch, and with switch on, out to the head lamps.
First check if the fuses have power to them. Hot at all times, so key can be off. If they have power, fuse link is good, so possibly a bad headlight switch or dimmer switch if no headlights..
The picture is too dark. Usually the power windows, all of them, are protected by a 25 or 30 amp circuit breaker. It is usually found in the instrument panel fuse block, under the dash on the driver's side. The circuit breaker is a matchbook size "fuse", usually silver colored. A circuit breaker automatically resets if it gets tripped by like a short.
If you pull off the master switch, the driver's side switch, you should have one hot wire with key on. The power wire and the ground for the windows are both in the driver's master switch. This is where you begin testing the power windows if none are working. Check for a hot wire, and check the ground wire- use a multi-meter.
Most newer cars now have a separate fuse for each headlight.
These fuses are found in a "bank" usually under a cover, and the box and cover are black plastic. Most of these "fuse and circuit breaker" boxes are to be found under the hood of the car, and to the right or left of the engine. Unless you have a broken wire somewhere, a fuse replacement should fix your problem. God bless your efforts.
Did you check for voltage at the 50 amp fuse circuit. Even if the fuse is good if no voltage on the fuse circuit, the circuit is still dead. There is a light green wire that carries voltage from headlamp switch to dimmer, is that wire hot with headlamp switch on?
There are wiring diagrams for free, just about everywhere, if you don't have one. Autozone .com has free wiring diagrams on vehicle repair guides link. You have to register your vehicle, year--make--model, all that good stuff. It's free.
Well, you'll have to investigate a little further. It could be anything from a bad switch to a broken power wire or bad ground. Grab your volt meter, pull on the headlights on and measure the voltage at the connectors at the headlights. If you have 12 volts, then it's probably a bad ground, if there is no voltage, then you'll have to start working your way back up the wire harness for the lights until you can find out where you lost the power at, but before anything else,...You did check the fuse under the dash for the headlights, right?
If you will look at the under hood fuse block towards the rear there is a large red wire with an eyelet on it. It should be taped to the harness. You will need to hook it to the hot post under the lower cover on the fuse block.Remove the fender beace from under the hood and remove the cover. At the front of the fuse block there are 2 posts. Connect the wire to the hot post with a nut usually a metric 8X1.25 thread. Good Luck
Take a test light or volt meter and unplug electrical connector at high beam light and with key on and headlight switch on (highbeem on) you should have power at dark green and white wire. If not then check 15 amp headlamp fuse. There is one for left and one for right. They are located at underhood fuse block (left fenderwell).Lift cover and look in cover for description. If there is power at headlight green/ wt wire then check for ground at the other wire black and purple.If no ground could have bad headlamp ground relay located at body relay box (left side of dash) or the ground connection for this relay a black wire located at left side of dash. Joe ASE Master Tec
this happend to me in my 82 elcamino get a light tester and go to the starter and fallow each wire 1 by 1 and make sure you have power in my car the wires ended up at the firewall driver side hope this helped you