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Thread: Electrical Work.
12-30-2012, 09:07 PM #21
I haven't worked on the truck yet because of snow. I am now very unhappy that you can't replace the bulbs in the 4wd switch. Every thing in my truck lights up like it should minus the 4wd back lights. Any who was a fun day in the snow a little fish tailing and some sliding but it worked out.
1996 Chevy Tahoe LT 5.7L V8 4X4 199,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin
Basic mods: Lights all over, bunch of electrical work, and a couple cooling mods.
Check out my other mods in My Garage: http://www.gmtruckclub.com/forum/sho...t-Tahoe-4-Door
12-30-2012, 09:46 PM #22
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- Mar 2012
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I have never heard of using diodes on American vehicles. On a MGB they are everywhere!
12-30-2012, 09:53 PM #23
That is because most american cars don't use many relays. I have used several relays in expanding my electrical system. In reality every car with an alternator has a diode.
12-30-2012, 10:54 PM #24
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- Mar 2012
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Yes, they are in the alternator. But as far as I know (and that's not much) no where else. But the English (as in Lucas Electric) They use them anywhere there's a back feed of juice.
12-30-2012, 11:04 PM #25
I've done the diode mod to my headlight relays such that my fogs and low beams stay on when my highs are on. I added 3 diodes to do this. I'll be adding one more diode when I do my rear work light install (which will be activated by either the reverse circuit or the cab switch I'll install). I might add another diode when I install my twin 10" LED light bars up front -- if I tie them to my high beams. (I'm undecided on that, yet, as it might be asking for trouble...)
2004 GMC Sierra 1500 5.3L V8 4x4 SLT Extended Cab Long Bed
(Garage Link: http://www.gmtruckclub.com/forum/sho...MC-Sierra-1500)
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12-31-2012, 06:13 AM #26
I will be doing the same diode set up as @SurrealOne for my back up light. I just need to buy the parts and find a warmer day for install. And learn to solder... I will also be doing the Lows one with Highs but my set up will be a little different because the OBS trucks don't have relays for each function of the headlights.
12-31-2012, 10:47 AM #27
12-31-2012, 10:08 PM #28
Darn weather getting in the way of installs. Currently there is 4" of snow on the ground and the truck is surrounded by a sheet of ice.
- - - Updated - - -
The 1/0 AWG cables came in today.
01-02-2013, 03:50 PM #29
01-02-2013, 06:07 PM #30
Look at your first photo in the post above. See the two studs on the right side of the photo? One (the lower one in the photo) has a wire going to it covered with corrugated loom. That should be the power wire to your 7-way trailer connector. It's powered through one of the large, green 30a fuses.Minneapolis area - 1997 K2500 regular cab long bed, pushes plow in the winter, carries camper in the summer - 2004 4x4 Suburban 2500 8.1, pulls 30' Airstream trailer
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