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« Last post by Rough75C20 on October 05, 2025, 01:04:01 pm »
Haynes manual also just shows the washer and bushing so I assume it’s just held in by transmission
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« Last post by Rough75C20 on October 05, 2025, 12:52:13 pm »
Hello was taking apart shift linkage on my 75 with a th350. Question is on the left side of the pivot where the spring and bushing are, is there anything that keeps this from coming out or the hole when the transmission isn’t in place? I took it off and have been looking around on the ground for an hour as I thought there would be something else to retain that rod in place. If it’s only the transmission that keeps it in the pivot please let me know. This pic I found on the internet shows nothing. I’m wondering if only the transmission and the connection to the shifter in the cab would hold it in place. It could have just been rusty when I pulled it out which gave it resistance but now that it’s clean it will slide right out without trans in place.
Thank you
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« Last post by bd on September 30, 2025, 09:38:15 pm »
That blue LED draws only 20-30mA. That is less than half of what is considered acceptable parasitic draw, which is ~75mA. As long as nothing is plugged into the USB ports, it would take more than six months (arbitrarily) to impose any noticeable effect on a healthy battery's state of charge.
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« Last post by slideways on September 30, 2025, 08:27:30 pm »
Every few weeks i try to get it out. I'm just wondering how quick it would drain it.
Zucchi there isnt anything to unplug on this one. Its not the adapter socket that goes into a typical cigarette outlet. Its an actual 3 slot usb socket itself with +/- on the backside which are tough to access. You have to remove the ashtray if you'd want to do that. I just unplugged the ground terminal by the park brake pedal for now.
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« Last post by JohnnyPopper on September 30, 2025, 06:13:01 pm »
How often do you drive the truck? Once every 2-3 months? If yes, that tiny LED might drain a weak battery. If not, forget about it and drive... 
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« Last post by zucchi on September 30, 2025, 12:26:58 pm »
Any ideas to fix this besides an obnoxious inline switch? Would pulling the plug adapter from the socket be less obnoxious? I do that with my dash cam; when I'm parked in the garage, I don't need the dash cam on so I pull its adapter from the cigarette lighter socket just enough to disconnect it.
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« Last post by JohnnyPopper on September 30, 2025, 01:02:11 am »
While I agree with bd's assessment, how much voltage/current drain can you expect over how much time?
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« Last post by bd on September 29, 2025, 09:29:11 pm »
As you discovered, the orange wire powering the cigar lighter is constant battery power (B+). Reconnect the USB power lead to accessory power so it is energized only when the ignition key is in the RUN and ACCESSORY positions. Depending on the year of your vehicle, run the power lead to an ACC cavity in the fuse box.
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« Last post by slideways on September 29, 2025, 08:10:57 pm »
So i went on Amazon and bought a $12 USB outlet to swap into the ashtray. I verified i had 12v at the single wire and installed the outlet easy enough. Its a 2 pin with an inline fuse in the hot wire. I ran the ground over next to the parking brake to that 6 prong junction. It seems to work great. The only issue is i thought this was only hot with the key to IGN... turns out the little blue LED in the socket is on forever. Any ideas to fix this besides an obnoxious inline switch? I'm guessing it may take a week but that tiny blue LED will be dragging the battery down im sure. Or just find yet another one with no indicator LED?
Thanks
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« Last post by VileZambonie on September 25, 2025, 06:00:37 pm »
Begin with the end in mind...When you open the hood, what do you want to see there? How do you want it to perform? I've seen enough hacked krylon rebuilt LS swaps in these trucks that it makes me ill so if you are looking to be budgetary, avoid this route unless someone is gifting you everything you need. On the flipside I've seen many many nicely done LS swaps that look splendid in their new house and they're fun to drive too. I've built many of them myself and at this point personally I still favor the SBC/BBC in these trucks just because I like the period correct look and feel. I just took my 74 out for a joy ride (454) and can ignite the tires at virtually any second with endless gobs of power and period correct engine in it's hut. When I open the hood, I see what I want to see. That being said, some people favor LS swaps for the versatility and plethora of options available to customize or source parts. Flip it again and if EFI is your draw, you can't go wrong with Holley Sniper 2 or Terminator setups either. Decide what you want the end result to be and then plan from there. The beauty is the sky is the limit and it's your truck to build it the way you see fit.
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