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04-17-2013, 11:06 PM | #1 |
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Join Date: Jul 2010
Location: Oceanside, CA
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Need a little electrical guidance
For my '67 C10 350, I just recently bought a COMPLETE Painless kit and a 1-wire 100-Amp GM alternator. I have begun my wiring process, which is pretty easy so far, but I'm at the point where I should be able to start the truck, but I have no luck. It may have something to do with the huge 70-amp fuse that Painless recommends you put inline with your alternator wire, but I am having issues. I have HEI, as well as a remote starter solenoid mounted on the sidewall for the headers/heat sink issue. I'm pretty sure it has something to do with this, but I am unsure how to wire this thing. Does anyone have a diagram? I have followed the painless instructions, but they are not too helpful with the whole remote starter solenoid thing. Again, it's
HEI 1-wire alternator Brand new Painless kit Remote starter solenoid Thanks! |
04-17-2013, 11:47 PM | #2 |
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Location: Chandler AZ
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Re: Need a little electrical guidance
What does it do/don't when you try to start?
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
04-17-2013, 11:52 PM | #3 |
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Re: Need a little electrical guidance
I have an electric fuel pump, which turns on, but there is no click, no sounds, nothing. I tested my relay, and it's getting no power out of it when I turn the key, but I am not sure I have it wired right. 1 post gets batt, and alt, and the other goes straight to starter.
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04-18-2013, 12:06 AM | #4 |
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Re: Need a little electrical guidance
I had a similar problem when I tried to start my truck (Painless harness). I had forgotten to hook up my neutral safety switch. You can put a jumper wire in the purple wire(s) for the switch.
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04-18-2013, 12:25 AM | #5 |
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Re: Need a little electrical guidance
Nope, I made sure that is connected- in fact, the harness I have has the jumper wires already made, and they are hooked in properly to the 2 side by side parallel connectors at the base of the steering column.
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04-18-2013, 12:37 AM | #6 |
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Re: Need a little electrical guidance
Is the safety switch adjusted correctly? Is the purple wire connected to the control terminal of the solenoid?
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04-18-2013, 12:43 AM | #7 | |
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Re: Need a little electrical guidance
Quote:
1)Large battery cable from the + side of the batt to the main lug on the starter wire. (the main lug is the large one on the starter solenoid that DOESN'T have a tab going into the starter motor itself) 2)The wire that runs from you ignition key to "start" the truck will go to the little lug on the starter solenoid that has an "S" beside it, NOT to the little one that has an "R" on it, you might have to get real close and clean the solenoid off to see the R and the S on it. The wire you need should be purple, if you are unsure of this wire let us know and we can help you further with it. 3)a decent sized wire (10 ga if I remember right) from the lug on the back of the one wire alternator directly to the + side of the battery. 4)large battery cable from the NEG- side of the battery to a good ground point on the engine, usually there is a large bolt on the alt mount that will work great for this. Also run ground strap from this main cable down to the frame just to make sure you have a good ground circuit. Last there will be a bundle of other power wires that feed the rest of the truck (dash, lights, radio, etc). That bundle will either go down to the main starter lug OR to the 12v+ of the battery. Either way it needs to have 12v+ all the time. If you feel like you still have a heat soak problem on your starter, get one of these http://www.summitracing.com/parts/oer-361443/overview/
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com |
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04-18-2013, 01:28 AM | #8 |
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Re: Need a little electrical guidance
Since you have headers you will most likely have heat problems. Leave the remote solenoid in place and wire it like I show in this thread and you should be fine.
.......http://67-72chevytrucks.com/vboard/s...d.php?t=574411
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04-18-2013, 09:55 AM | #9 |
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Re: Need a little electrical guidance
If I understand this correctly, nothing happens when you hit the key. No starter engage. Try this.
Jump accross the remote solenoid from the Battery IN to the S terminal. Use a pretty hefty wire. That should clunk. If it does, does the starter engage? If not, did you jumper the S terminal on the starter terminal to the battery in there? If you do not hear the remote solenoid engage, did you verify grounds?
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
04-18-2013, 10:16 AM | #10 |
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Re: Need a little electrical guidance
the single most misunderstood concept ot electricity is the ground circuit and the cause of stuff not workin right
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04-18-2013, 02:43 PM | #11 | |
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Re: Need a little electrical guidance
Quote:
I see on the other thread where you said "alleviating the high current draw through the ignition key switch circuit" which I will agree is helpful to the key circuit to some degree, but once again, assuming he has a good key signal to the solenoid how is heat soak prevented? Couldn't agree more...
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com |
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04-18-2013, 03:29 PM | #12 |
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Location: Oceanside, CA
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Re: Need a little electrical guidance
Critter, I agree with you on this, I have found that I still have heat soak issues even though I am using the remote solenoid. I may just get a mini starter to deal with heat soak.
However, now I have fixed the starting issue. I can get the engine to turn over!! But it won't catch- I can see fuel, but I think spark or neutral safety switch may be the issue. Using the painless harness, there are 2 spade connectors for the neutral safety, but there are 4 spots on the switch on the column, 2 are parallel to each other and 2 are at right angles. The 2 right angle spots are the reverse lights (I think) but there is no connector on my new harness for them. Plus, how do I know if I am wiring the parallel (purple wires) in the right order? |
04-18-2013, 09:04 PM | #13 | |
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Re: Need a little electrical guidance
Quote:
Also after thinking more about VetteVets comments and other posts about the starter solenoid I think I understand where we disagree. When I say I want to help/reduce/stop heat soak I mean I actually want reduce the amount of heat that makes its way into the starter/solenoid. Examples would be insulating the starter with wrap, putting a heat shield, removing the headers, etc. I maintain that the remote mounted solenoid does NOTHING for this. What it does do is help OVERCOME the effects of heat soak by keeping the higher amperage draw off your key circuit. So in a sense it helps overcome the effect, but it does nothing to treat the cause of the problem. If I am wrong please let me know. Once again, not trying to be disrespectful, just trying to make sense of a nagging issue many people including myself have dealt with.
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces) 72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts 2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver Check it out www.lsdyno.com |
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04-18-2013, 10:47 PM | #14 |
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Location: Chandler AZ
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Re: Need a little electrical guidance
To test the HEI? Simple just run a jumper wire from the battery's anode ( + terminal) to the BAT terminal on the distributor cap. If the HEI is working properly and you are timed correctly, it should start when you turn the key.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
04-19-2013, 04:51 PM | #15 |
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Re: Need a little electrical guidance
Great news!! Good job finding it.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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