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Old 06-08-2020, 01:11 PM   #1476
culberro
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My go-to are non-insulated butt connectors (using a staking tool to crimp) and adhesive lined heat shrink. Never any failures, and 2-3 sizes of connectors will cover 26ga-12ga.
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Old 06-08-2020, 02:24 PM   #1477
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Hmmm...



Snip out the existing corroding solder joint, stip, slide this on, a little heat gun action, JOB DONE!
I do like those things and they are a wonder but please don't overpay for them! Domestic prices are horrendous and they're all imported from China anyway...

Just go straight to the source, order 4x more than you need for the same price and give surplus to your buddies at the next grill party or Christmas.

https://www.aliexpress.com/wholesale...tshrink+solder
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Old 06-08-2020, 02:35 PM   #1478
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Originally Posted by culberro View Post
My go-to are non-insulated butt connectors (using a staking tool to crimp) and adhesive lined heat shrink. Never any failures, and 2-3 sizes of connectors will cover 26ga-12ga.
this. I use these types of connectors now almost exclusively, I use ratchet crimpers to crimp em down nice and tight.
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Old 06-08-2020, 02:44 PM   #1479
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I've moved to the non-insulated butt connectors and adhesive lined shrink tubed as well. The OEM GM connections are done this way, except they also solder the wires.
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Old 06-08-2020, 11:11 PM   #1480
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Yea either non insulated crimp connectors or the insulated pre heat shrunk ones with proper crimpers as long as they aren't submerged in fuel
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Old 06-09-2020, 08:48 AM   #1481
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Given the way the wires corroded away to nothingness, I'd have been better giving them a half-hearted twist and slapping electrical tape on.

I ordered some heat-shrink crimp connectors and a ratchet crimper. And some of those heat-shrink solder tubes as well.

I remembered there are some solder joints I did under the hood as well, mostly temp/oil gauge wires, fan wires, stuff that wasn't in the pre-built harness.
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Old 06-09-2020, 12:19 PM   #1482
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http://www.aeroelectric.com/articles.html
great site chock full o info, worth deep diving
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Old 06-09-2020, 12:33 PM   #1483
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http://www.aeroelectric.com/articles.html
great site chock full o info, worth deep diving
http://www.aeroelectric.com/articles/rules/review.html
Quote:
Only rosin core solder is allowed for electrical connections, because acid core solder (available in hardware stores for hobbyists, decorative and similar applications) eats away at the plating on your wire and eventually the wire itself. Failure will result(not may, will result) from the use of poor quality and/or acid core solder.
I normally used rosin core, but I had this acid flux sitting around from doing copper pipe plumbing, where it works GREAT. So I tried it on a wire solder, and it worked GREAT. Super easy to make a nice wet flowed joint.

I never even pondered the thought about what the acid would do over time. And there's no way to remove all of it, even if I had tried. It wicks up into the insulation on both sides.
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Old 06-12-2020, 11:09 AM   #1484
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Yea either non insulated crimp connectors or the insulated pre heat shrunk ones with proper crimpers as long as they aren't submerged in fuel
This
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Old 06-12-2020, 11:23 AM   #1485
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I got the insulated heat shrink connectors and the proper crimp tool yesterday, and I have some of the pre-soldered 'heat up and you're done' connectors arriving today. I'll play around with them outside the car and then pick one approach and replace all the damn butt connections I did.

Lol/groan/sigh. If I'd spent even half a second googling the use of acid flux, I'd have seen that you can't use it on wiring.
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Old 06-21-2020, 09:56 PM   #1486
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I've switched to the low-temp solder type that you linked earlier - manily cos (on the C30) CANbus is so sensitive, it's safer to avoid potential system errors. You can get them cheaper by the 100 off Amazon, though - that aliexpress link, they are more than double the unit cost.
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Old 06-30-2020, 08:37 AM   #1487
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It's been humid, hot, sweaty, and mosquitoes have been hungry. All of which makes me less inclined to sit around doing finicky electrical work. Still, I did reaplce all the soldered connections in the passenger footwell - interfacing the car with the MS harness. Maybe 25 or so? I didn't tug on all of them, but 2 or 3 of them did come apart easily while snipping them out, so I am certainly fixing what would have been issues in the short term.

Now I just need to do a handful more under the hood and all the acid flux solder joints will be gone. Oy vey.
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Old 06-30-2020, 09:17 AM   #1488
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yea it's hotter'n the hinges of hell and my a/c units aren't here yet to boot. still, I'm going to suffer in the shop today and try and get the engine and trans back together, and at least in mine, I really need the lift back available for other stuff. next several days are going to be (hopefully) devoted to shop re-org, I got halfway done back in december/jan, and haven't gotten back around to finishing. may just be famous last words.
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Old 07-03-2020, 07:56 PM   #1489
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yea it's hotter'n the hinges of hell and my a/c units aren't here yet to boot. still, I'm going to suffer in the shop today and try and get the engine and trans back together, and at least in mine, I really need the lift back available for other stuff. next several days are going to be (hopefully) devoted to shop re-org, I got halfway done back in december/jan, and haven't gotten back around to finishing. may just be famous last words.
I'll gladly pay the extra $$ for the cost of electricity to have 75º in my shop. Swestin my ass off just working out in the garden this morning. I don't remember the humidity being this bad last summer around this time.
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Old 07-04-2020, 05:14 PM   #1490
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I reverted back to an old tune, to get rid of all the weird 'adjustments' that got made while the wiring was bad/going bad/etc. Yep, it's all back to VROOM again. w00t.
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Old 08-31-2020, 09:31 AM   #1491
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Temps have cooled a bit here in the midwest, where the lack of A/C in the wagon isn't such a terrible thing, just mildly annoying.

Well, that and working from home has simply left me with very little reason to leave the house, other than going to ride bikes, in which case I take a car with a bike rack. And A/C... So the wagon has mostly just sat around all summer. And the PV as well. Dug them out of the garage over the weekend (things tend to.. accumulate... behind them, over time.

And the kid's 940, which hasn't seen much use (he's doing virtual school and never needs to go anywhere for the time being either).

The Volvo 'elephant walk':


The wagon ran fine, as expected, was slightly smoking from one of the spark plug insulator boots when I got back. Er... totally normal. Ish. Whatever. vroooOOOMMBRAAAAAAAAP. Yeah, that gets your attention pretty well when you've been driving slow cars all summer.

I was going to drive the PV around some too... but the carbs were leaking a little bit. Some from the bottom, some from the tops. I guess the ethanol in the fuel has finally done some damage to the seals? Most of them will probably swell up and reseal, but some of the rubber gaskets (like around the idle jet/throttle ports, whatever they're called) were cracked and crumbling, that's not gonna reseal. So rather than drive it around with gas slowly dripping down n the exhaust manifold and alternator, I just parked it again and ordered a couple of DCOE rebuild/gasket kits. And a couple of sets of soft mounts.

Put a little R134A in the kid's 940, the A/C was short cycling and blowing cool air, not cold. I had to recharge it when we bought it, that's been a while. So it has a slow leak, but so slow it's not worth tracking down and fixing.

Last edited by JohnMc; 09-01-2020 at 02:20 PM..
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Old 09-01-2020, 02:13 PM   #1492
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I see the best car is most prominently displayed. Good on ya John.
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Old 09-01-2020, 02:27 PM   #1493
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A grandpa car fits my kid pretty well. He drives like a grandpa. 17 going on 70.
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Old 09-01-2020, 04:34 PM   #1494
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PS: I resisted the urge to change the pic above:


PV > *!!!
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Old 09-06-2020, 07:45 PM   #1495
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I see the best car is most prominently displayed. Good on ya John.
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