Moist Lightning Posted March 14, 2020 Report Share Posted March 14, 2020 Since the old site hosting service manuals, wiring diagrams etc is gone and I figured I'm one of the few with most of the docs, I decided to start a new one. Will be adding more info over time. Always open to guest contribution too if you have something to add. The site is datsuntrucks.com or see below for direct links to documents/pdfs. Wiring Diagrams · 1973 620 AUTO · 1973 620 MANUAL · 1974 620 AUTO · 1974 620 MANUAL · 1975 620 · 1976 620 · 1977 620 · 1978 620 · 1979 620 Manuals 1974 620 SERVICE MANUAL 1977 620 SERVICE MANUAL 1978 620 SERVICE MANUAL Other 620 PART NUMBERS EMISSIONS CONTROL L16 / L18 / L20B SPECS J13 / J15 / J16 PAINT CODES 5 12 Quote Link to comment
Lovexplosions Posted April 29, 2020 Report Share Posted April 29, 2020 Thanks for this! I was just looking for this today, I should have started here...clearly 3 Quote Link to comment
SONOFK-E Posted May 15, 2020 Report Share Posted May 15, 2020 Sux that you haadtodoa new one great information keep up the good work. 2 Quote Link to comment
ECS620 Posted June 16, 2020 Report Share Posted June 16, 2020 Awesome! Cant thank you enough. Wish I would have seen this about 3 days ago before I ordered that Haynes manual! 2 Quote Link to comment
Draker Posted June 17, 2020 Report Share Posted June 17, 2020 Nice site! Thanks 3 Quote Link to comment
shoprag Posted August 22, 2020 Report Share Posted August 22, 2020 Downloaded the service manual, cant thank you enough for this info !👍 4 Quote Link to comment
Goemon Posted March 23, 2021 Report Share Posted March 23, 2021 I need to know what gauge wire is on the side marker lights & tail lights on a 620.......I have looked & looked on this site for an answer but have not found the size wire I need to rewire my 620 tail, marker & blinker lights . I just need a bit of help. I have 4 rear 620 light buckets to restore Thank'y Yalls. Quote Link to comment
datzenmike Posted March 23, 2021 Report Share Posted March 23, 2021 Probably 16 or 18ga. Run 14 to be safe. Bulbs are 23watt and there are two. I upped to 25 watts and 14 volts when engine running so 1.785 amps X 2 = 3.57 amps 14 gauge 7-24 strands copper wire will handle 10 amps (20 gauge will handle 3.5 amps) so you're good. 1 Quote Link to comment
Goemon Posted March 23, 2021 Report Share Posted March 23, 2021 Thanks The only upgrade I will be doing is maybe a 50-70 amp alternator. keeping her as OEM as possible Quote Link to comment
Goemon Posted March 23, 2021 Report Share Posted March 23, 2021 I guess I need to know OEM size since I have to put new wire & pins in the connectors to rewire the rear cans Quote Link to comment
datzenmike Posted March 23, 2021 Report Share Posted March 23, 2021 7 minutes ago, Goemon said: Thanks The only upgrade I will be doing is maybe a 50-70 amp alternator. keeping her as OEM as possible I put a 100 amp Altima alternator in my 710. The power wire from the alternator was thicker than the original battery cables!!!!! Just saying to run a thicker wire. I soldered a large lug on the end and bolted it to the positive cable at the starter. The front one is the battery cable. Quote Link to comment
Goemon Posted March 23, 2021 Report Share Posted March 23, 2021 I am not planning on running a big audio amp. I am deaf enough at 59. There is also a need to keep the wire the same for resistance purposes. I just want more than a 35 amp ALT. If I was out west, I would just put a solar panel on top. Sunfoil project: You Tube Quote Link to comment
datzenmike Posted March 23, 2021 Report Share Posted March 23, 2021 There's no advantage to resistance. Less is more available power for the lights. 2 Quote Link to comment
Soundline Posted March 23, 2021 Report Share Posted March 23, 2021 2 hours ago, Goemon said: I am not planning on running a big audio amp. I am deaf enough at 59. There is also a need to keep the wire the same for resistance purposes. I just want more than a 35 amp ALT. If I was out west, I would just put a solar panel on top. Sunfoil project: You Tube Liiiiiiiiike GA is a shady s-hole. I really enjoyed my time there. Resistance is great, but gauging up the wires reduces heat. Best to let the load draw what it needs efficiently. Quote Link to comment
Lovexplosions Posted August 3, 2021 Report Share Posted August 3, 2021 I'm sure I'm not the first to find this but I am absolutely in love with this site...and it belongs here. https://www.carpartsmanual.com/datsun/pickup-1972-1979 2 Quote Link to comment
Lemansdatsunjim Posted March 10, 2022 Report Share Posted March 10, 2022 THANK YOU SO MUCH!! OK 1 Quote Link to comment
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