Question about 2004 Ford Expedition
Put on new alt. and can not get battery light off what do we need to do.
Chances are the wiring harness is rubbing on the air conditioner line and has rubbed through and broke one of the wires. You'll probably see a burn mark on the metal AC line as well. At least that what happened to mine and I had the same problem. I used a **** connector and put the broken wire back together and presto no more alt light. I did replace the harness a few weeks later
Posted on Nov 13, 2012
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Posted on Jan 02, 2017
Go to the FREE Ford website and download the owners manual for your vechicle. It will show a picture of the fuse block, locations and sizes.
It's location in the manual is under "road side emergencies".
Hope this helps.
Posted on Jun 10, 2010
SOURCE: 2000 Ford Expedition wont start
On the engine there is a tube that supplies fuel to the fuel injectors, on that tube there is a valve, like a metal tire valve, this is the fuel pressure test port, you will need a special guage to check the pressure that screws onto that valve, Kragen and other parts stores sell this test kit, it is very inexpensive, about $20.00, but cheaper than having a shop do it for you, if you do the test and you have no pressure while cranking the engine then your fuel pump is bad, the pump is in the gas tank, a big job and dangerous due to chance of fire if you are not cautious.
Posted on Oct 14, 2008
look for a fusible link out. You need to check for output on the alternator that you installed. make sure the batteries are fully charged before that, otherwise its not going to read right. start from the source. also, you can disconnect the batteries from the sys and do a continuity check on the wires in the loom, so you can see if current has a path, or if you have an open circuit. hope this helps
Posted on Jul 25, 2009
Tips for a great answer:
How did you test battery and charging system?
Your charging system is computer controlled. Check for applicable trouble codes. To check codes yourself, at the least you need an obd2 code reader that will check manufacturer specific codes as well as po codes.
Take wire connector loose from generator . The two wires on the left should show battery voltage, do they? What is the voltage spec? This is with key off and no charger hooked up.
The two wires on the right are to and from the computer, To check those, at least, you need a digital multimeter that has a duty cycle or frequency setting, with engine running, should activity on both wires. You have a battery temp sensor that could cause problems.
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