no voltage to the inertia switch!!
#1
no voltage to the inertia switch!!
Well, to begin, yesterday I lost two hot coffees in my 02 van. In one day!! Was not a happy camper! 02 e250 5.4l van drove fine heat was on. It had a pool of coffee on drivers side floor in a pool till I pulled over to clean it.
Cleaned it up everything was fine. Drove about 6 miles and had it parked for about 5 hours.Started up fine. Idled and then died. No fuel problem. Checked both sides of @ inertia switch while cycling the key. Nothing on either end. Checked fuses and all is well. No power @ F 30 fuse. Any idea what wire to check ahead of the fuse panel?
Cleaned it up everything was fine. Drove about 6 miles and had it parked for about 5 hours.Started up fine. Idled and then died. No fuel problem. Checked both sides of @ inertia switch while cycling the key. Nothing on either end. Checked fuses and all is well. No power @ F 30 fuse. Any idea what wire to check ahead of the fuse panel?
#2
Both the ECM self protection (shorts) and Anti-theft systems shut down the ECM and turns off the Fuel Pump to keep you from starting the Engine. Possible a channel in the door step is full of Coffee and has a wire connector laying in it? or just a bad Fuel Pump Relay? I would pull the Mat up and step pad out and have a look around........
#3
#5
fuel pump relay circuit troubleshooting
I got the idea of fuse F30 from an earlier thread on this site for no fuel pump power.I have no power at all feeding the inertia switch. I also have a 15 amp fuse above the 5amp fuse in the corner of the fuse panel (under the dash) with no power in or out. Is there a circuit to check on the fuse panel that would rule out the fuel pump relay circuit? If there are any ideas of where to check for power up circuit from fuel pump relay I would appreciate it.
#6
If you intend to DIY repairs especially electrical trouble shooting like this you'd be best advised to obtain an EVTM or wiring diagrams book for your year chassis. Not only do they show individual circuits fuse panels and relay positions are shown---extremely handy publication to have around.
Here's an image of the battery junction box (BJB) or the one found under the hood---shown in yellow is the fuel pump reply fuse and relay itself, double check these:
Here's an image of the battery junction box (BJB) or the one found under the hood---shown in yellow is the fuel pump reply fuse and relay itself, double check these:
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Littlebuddy
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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03-04-2004 01:45 AM