Electrical testing after rewire...
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- jonny8
- Roadster Fanatic
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- Joined: Sun Apr 20, 2014 11:36 am
- Location: Sherman Oaks, CA
- Model: 1500/1600
- Year: Low Windshield-64-67.5
Electrical testing after rewire...
Just to summarize the adventures I have been having.
First. Battery strap broke, shorting out the engine compartment. New harness needed, alternator and regulator.
Second: I fitted the battery back to front, so when I tested, I blew the cockpit hardness and Ammeter.
So, I have a two new harnesses, new ammeter etc. I was super careful to label everything as I took it apart and put it together the same way.
Now, before the car is blown up a third time... what a reasonable testing plan so that I can verify
a) I have not crossed a connection causing another burn out
b) I will not blow the ammeter when its in the circuit
c) Any of the other components have not been fried (various voltage regulators, resistors etc.)
Any wisdom greatly accepted, including don't make those mistakes again!
Thanks
-Alvin
First. Battery strap broke, shorting out the engine compartment. New harness needed, alternator and regulator.
Second: I fitted the battery back to front, so when I tested, I blew the cockpit hardness and Ammeter.
So, I have a two new harnesses, new ammeter etc. I was super careful to label everything as I took it apart and put it together the same way.
Now, before the car is blown up a third time... what a reasonable testing plan so that I can verify
a) I have not crossed a connection causing another burn out
b) I will not blow the ammeter when its in the circuit
c) Any of the other components have not been fried (various voltage regulators, resistors etc.)
Any wisdom greatly accepted, including don't make those mistakes again!
Thanks
-Alvin
Alvin Richards
Sherman Oaks, CA
1965 Roadster 1600
Sherman Oaks, CA
1965 Roadster 1600
- Nissanman
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Re: Electrical testing after rewire...
Connect a headlamp globe or some other high wattage globe in series with the battery negative post and the battery cable. Any shorts will illuminate the globe but not cause dangerous current to flow. The test lamp won't allow you to crank the engine but if a high enough wattage it will allow you to test your switches and harness OK.
If you followed your labeling and referred to the schematic for any queries then shorts may not be an issue but opens might be if connectors and pushed home completely.
I used carbon grease on all of my contacts to assist in making good contact. It is conductive so don't spread it all over, just a smear on the metal contacts is sufficient.
"Lubricates and improves electrical and thermal connections between sliding surfaces, while providing protection from moisture & corrosion."
If you followed your labeling and referred to the schematic for any queries then shorts may not be an issue but opens might be if connectors and pushed home completely.
I used carbon grease on all of my contacts to assist in making good contact. It is conductive so don't spread it all over, just a smear on the metal contacts is sufficient.
"Lubricates and improves electrical and thermal connections between sliding surfaces, while providing protection from moisture & corrosion."
Nissanman, just trying to help.
1965 SP310 Engine No. G-93326 Car No. SP310-10817
https://photos.shutterfly.com/album/60141836519
On the road again!
1965 SP310 Engine No. G-93326 Car No. SP310-10817
https://photos.shutterfly.com/album/60141836519
On the road again!
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Re: Electrical testing after rewire...
You could test it in segments. I powered my dash up with a lawn and garden tractor battery to test just the lights, including the map light. Doing segments you don't have to be trying to watch everything at once and worrying about doing a lot of damage at once.
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located in Chester NH
1967 1600 in restoration
2013 Arctic Cat F-1100 turbo
Ford F-350 6.0
Ford 9000 puller, Ford 960 puller, Ford 901show, Ford 971 worker, Oliver 70 waiting its turn
1967 1600 in restoration
2013 Arctic Cat F-1100 turbo
Ford F-350 6.0
Ford 9000 puller, Ford 960 puller, Ford 901show, Ford 971 worker, Oliver 70 waiting its turn
- nismou20
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Re: Electrical testing after rewire...
Might add a 30 amp fuse inline before the Amp gauge now. Many have sacrificed a amp gauge as a fuse!
2004 Chevy Tracker
2010 RAV4
1969 Datsun Roadster
2005 Lotus Elise
1995 Toyota Tercel (Poormans Corolla)
2001 Fleetwood Jamboree RV
2010 RAV4
1969 Datsun Roadster
2005 Lotus Elise
1995 Toyota Tercel (Poormans Corolla)
2001 Fleetwood Jamboree RV
- Curtis
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Re: Electrical testing after rewire...
Will these help? Ignore most of the wire gauge call outs, I need to fix them.
http://www.kendo-usa.org/datsun/datsun_ ... _66_67.pdf
http://www.kendo-usa.org/datsun/datsun_ ... _66_67.pdf
http://www.kendo-usa.org/datsun/datsun_ ... _66_67.pdf
http://www.kendo-usa.org/datsun/datsun_ ... _66_67.pdf
66 stroker, almost done.
67 basket case, paint coming soon.
67 basket case, paint coming soon.
- jonny8
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Re: Electrical testing after rewire...
@curtis
Yup - found those on the Tech Wiki and checking off. I also found your Fuse Block diagram for 1966-67... the only difference I have is there i no Yellow gauge wire from the harness into the fuse box as indicated. I need to check the other diagrams for this wire... but I certainly don't have one!
-Alvin
Yup - found those on the Tech Wiki and checking off. I also found your Fuse Block diagram for 1966-67... the only difference I have is there i no Yellow gauge wire from the harness into the fuse box as indicated. I need to check the other diagrams for this wire... but I certainly don't have one!
-Alvin
Alvin Richards
Sherman Oaks, CA
1965 Roadster 1600
Sherman Oaks, CA
1965 Roadster 1600
- jonny8
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Re: Electrical testing after rewire...
Add me to that list
Alvin Richards
Sherman Oaks, CA
1965 Roadster 1600
Sherman Oaks, CA
1965 Roadster 1600
- Curtis
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Re: Electrical testing after rewire...
The yellow wire is spliced on in the dash harness. You're welcome to take all the tape off your nice new harness if you want to see it.jonny8 wrote: ↑Mon Feb 18, 2019 7:48 pm @curtis
Yup - found those on the Tech Wiki and checking off. I also found your Fuse Block diagram for 1966-67... the only difference I have is there i no Yellow gauge wire from the harness into the fuse box as indicated. I need to check the other diagrams for this wire... but I certainly don't have one!
-Alvin
66 stroker, almost done.
67 basket case, paint coming soon.
67 basket case, paint coming soon.
- Curtis
- Site Supporter
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- Joined: Fri Jan 01, 2010 2:49 pm
- Location: Des Moines, WA
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- Year: Low Windshield-64-67.5
Re: Electrical testing after rewire...
66 stroker, almost done.
67 basket case, paint coming soon.
67 basket case, paint coming soon.
- jonny8
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- Joined: Sun Apr 20, 2014 11:36 am
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- Year: Low Windshield-64-67.5
Re: Electrical testing after rewire...
I liked your updated diagram much better than removing tape!Curtis wrote: ↑Mon Feb 18, 2019 8:19 pmThe yellow wire is spliced on in the dash harness. You're welcome to take all the tape off your nice new harness if you want to see it.jonny8 wrote: ↑Mon Feb 18, 2019 7:48 pm @curtis
Yup - found those on the Tech Wiki and checking off. I also found your Fuse Block diagram for 1966-67... the only difference I have is there i no Yellow gauge wire from the harness into the fuse box as indicated. I need to check the other diagrams for this wire... but I certainly don't have one!
-Alvin
Alvin Richards
Sherman Oaks, CA
1965 Roadster 1600
Sherman Oaks, CA
1965 Roadster 1600
- Mackn367
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Re: Electrical testing after rewire...
+ 1 on adding amp fuse. They are pretty cheap and definitely a lot easier to replace than any other part. Sorry that happened to you ughh... oh and do you have a voltage regulator/tester? That might help in the future too for electrical testing.
Nick
1967.5 Roadster 1600
VIN: SPL311-13038
Orange County, CA
1967.5 Roadster 1600
VIN: SPL311-13038
Orange County, CA
- Linda
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Re: Electrical testing after rewire...
Nissanman, Does carbon grease reduce carbon tracking in a distributor? I am going to try to find some for connections like you recommended.
Linda
Linda
Sadly-Linda has passed away 2022. She was the 311's den mother and drove the first Rare-Parts ball joint project. RIP.
- Nissanman
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Re: Electrical testing after rewire...
No, carbon grease is a conductive lubricant, not suited to that purpose.
I used it to make sure all my 50+ Y.O. connectors did indeed connect
If the distributor cap is tracking internally I would try a wax and grease remover or renew the cap.
I used it to make sure all my 50+ Y.O. connectors did indeed connect
If the distributor cap is tracking internally I would try a wax and grease remover or renew the cap.
Nissanman, just trying to help.
1965 SP310 Engine No. G-93326 Car No. SP310-10817
https://photos.shutterfly.com/album/60141836519
On the road again!
1965 SP310 Engine No. G-93326 Car No. SP310-10817
https://photos.shutterfly.com/album/60141836519
On the road again!