Okey doke. First post. Diag help requested.
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Newbie
Joined: Jul 2013
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Okey doke. First post. Diag help requested.
Alright, well to start off, I'm a newbie to the site, not the truck. I DID read the newbie stickys.
Truck: 2005 F-350 DRW 6.0. ARP Studs, aftermarker oil cooler, EGR delete, 4in straight pipe, CAI, SCT by Innovative. 170k on the clock. Auto.
Problem(s): A couple weeks ago I noticed that I lost power to all my gauges, radio, and windows. It cut out for about 20 sec, or so then came back on. I was on the highway. Everything else worked (headlights, HVAC, truck ran fine, etc). A few google searches and phone calls to my diesel mech. buddy later, I narrowed it down to a failed GEM module, or bad cluster.
Now, this might just be coincidence, but today, My fuel gauge read zero from half a tank (no, I didn't leak it out) and it ran fine for a 5 min drive. Drove it back a short while later, and it bogged out, and bucked the whole way back if I gave it any more than 10% throttle. My question is: Is this related to the electrical issues from either the GEM or cluster going kaput? Or is it mere coincidence that either my fuel pump, or sending unit **** the bed? And is there more testing I can do to determine which one(sending unit, or pump) to replace. Same goes for the cluster / GEM.
Thanks all!
Truck: 2005 F-350 DRW 6.0. ARP Studs, aftermarker oil cooler, EGR delete, 4in straight pipe, CAI, SCT by Innovative. 170k on the clock. Auto.
Problem(s): A couple weeks ago I noticed that I lost power to all my gauges, radio, and windows. It cut out for about 20 sec, or so then came back on. I was on the highway. Everything else worked (headlights, HVAC, truck ran fine, etc). A few google searches and phone calls to my diesel mech. buddy later, I narrowed it down to a failed GEM module, or bad cluster.
Now, this might just be coincidence, but today, My fuel gauge read zero from half a tank (no, I didn't leak it out) and it ran fine for a 5 min drive. Drove it back a short while later, and it bogged out, and bucked the whole way back if I gave it any more than 10% throttle. My question is: Is this related to the electrical issues from either the GEM or cluster going kaput? Or is it mere coincidence that either my fuel pump, or sending unit **** the bed? And is there more testing I can do to determine which one(sending unit, or pump) to replace. Same goes for the cluster / GEM.
Thanks all!
Last edited by amaster192; Jul 15, 2013 at 06:16 PM.
Diesel Bomber
Joined: Nov 2009
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Use a voltage tester to test the batts while running, it should be around 14.2-14.4 volts. if it is much lower then that then it is probably the alternator. most auto parts stores will load test your batteries for free.
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Just hit it with the sct. Reads 13v flat at Idle. 1500 rpm yields 13.4v. Gonna pull the Alt tmrw and have the parts house test it.
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I pulled the Alt yesterday and had it tested, and it came back good. I re-installed it and hit it with a real battery tester, and it gave the right voltage. Also, in disconnecting the batteries, something must have reset itself because The fuel gauge read correctly, and I had no issues driving the truck. Cluster is still toast, however...
