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  1. M

    20" wheels on the C1500

    When I bought my truck it had 20's but needed new tires, went ahead and replaced the tires less than 10k miles ago, but I somehow went ahead and bent a couple of the cheapo wheels. Does anyone have any recommendations for a reasonably priced wheels that can accommodate 265/50-20 tires that will...
  2. M

    Help! Major Electrical Issue After Ignition Switch Replacement

    Final update for the night: The voltage straight off the alternator post was 14.6v, I will try to do more tests on the alt tomorrow when I have some light to work by. Upon removing the + side terminals for my main battery, I found that it was leaking quite badly from the + post, and had corroded...
  3. M

    Help! Major Electrical Issue After Ignition Switch Replacement

    Thanks for your response Someotherguy, I bought the truck with the two batteries and went ahead and replaced both for good measure a couple months ago, the main batt is wired to fuseblock, starter, and alt on + side and grounded to bottom of the motor and to the frame. The aux batt is only...
  4. M

    Help! Major Electrical Issue After Ignition Switch Replacement

    Thanks for your reply Eveready! My dad and I got it to fire back up and back in my driveway, the primary battery uses side post connections and the prev owner has the fuse block and alternator terms stacked and that seemed to be causing an iffy electrical connection. It ran fine just now, but...
  5. M

    Help! Major Electrical Issue After Ignition Switch Replacement

    Update, went ahead and sanded and cleaned all ground connections and the truck started and ran just fine. Drove about 10 miles to the store and on the way back it died and wouldn't start back up. When it died the motor just cut out and the dash went dark. When i turn the key to the on position...
  6. M

    Help! Major Electrical Issue After Ignition Switch Replacement

    My truck was randomly shutting off while driving a few days ago, and since I was having grounding issues a couple months ago I decided to replace the ignition switch yesterday. After the install the truck started and ran perfectly. When I went to drive it to class this morning the truck...
  7. M

    Big Voltage Drop

    The ground straight off the main battery was attached to the body, and the screw holding it down was loose as hell, so i sanded down a spot nearby and threaded a new screw in and no problems so far. So you're probably correct. If it starts happen again I'll definitely be replacing all cables to...
  8. M

    Big Voltage Drop

    By plug you mean one of the plastic harness things or one of the battery terminals? Just had the alt checked at AutoZone and they said it's charging as it should be .
  9. M

    Big Voltage Drop

    This is a very good idea I think I'll do that .Thanks a lot .
  10. M

    Big Voltage Drop

    I won't thanks, I always get series and parallel mixed up. Positive wires are pretty beefy, the body ground from - on main bat is thin and the screw holding it is pulling out so I'll take care of that. I'll check connections going to the power distribution system. Thanks so much!
  11. M

    Big Voltage Drop

    I'm running a stereo but the speakers are all stock size and no subs/amps. No other accessories that would be drawing like that though. The aux battery was reading 12.6v so i swapped the aux and primary battery in the parking lot and it ran flawlessly the whole way home. Idles around 12v and...
  12. M

    Big Voltage Drop

    It also threw a p0404 egr code when I started it just now. Truck was running just as it usually does, no obvious problem besides the super low voltage.
  13. M

    Big Voltage Drop

    Okay so I had to drive it back to school, when I started driving gauge read around 12v but by the time I was in the parking lot it was bottomed out and hesitating really bad. Went back out just now and it starts fine and gauge reads 12v again! Tested battery terminals while it was idling and...
  14. M

    Big Voltage Drop

    I have a 98 C1500 that's been showing voltages around 10v while running. Two batteries were installed when i got the truck and i replaced both batteries and cleaned and checked all grounds the batteries were attached to about a week ago. It ran at around 14v before I replaced the batteries and...
  15. M

    C1500 Dual Battery Really Necessary?

    Had them tested and both were bad, so i put two new batteries in. Now its starting and running just fine, but right after I put the batteries in the front drivers side signal is constantly on and that headlight doesn't work.
  16. M

    C1500 Dual Battery Really Necessary?

    My recently acquired 98 C1500 5.7 has a very slow crank on startup and it's getting worse, so I am going probably need to replace the battery, but my truck has two batteries. I don't want to pay for 2 batteries, is it easy to revert back to a single battery? There isn't any winch or subwoofers...
  17. M

    Previous owner butchered audio install (98 C1500)

    You're probably right, but I went ahead and ran new wire for the door speakers and that seems to have worked out. Awful lot of clips and panels and whatnot to remove, no wonder these things seem to be higher build quality than ford. I wish i had taken a pic of the old harness job, it was a...
  18. M

    Previous owner butchered audio install (98 C1500)

    Thanks! This may be very helpful.
  19. M

    Previous owner butchered audio install (98 C1500)

    All the harnesses were chopped, but since I know the wiring for head unit itself is fine I just went ahead and ran new and thicker wires to the front. Will do the rears another day, it was a bit of an ordeal.
  20. M

    Previous owner butchered audio install (98 C1500)

    Good chance they are, but it also appeared that prev owner didn't even bother hooking up any speaker wires except front pass speaker, which did work before(sort of). The previous aftermarket head unit worked perfectly, as did my new one (turns on when key is turned, dims when I turn on headlights).
  21. M

    Previous owner butchered audio install (98 C1500)

    I got an extended cab C1500 last month for a killer deal but the head unit was installed using the wrong DIN kit and the one working speaker only played the highs unless I plugged my phone charger into the cigarette lighter, so I wanted to get it working properly. When I pulled the dash and...

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