wiring help
#1
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wiring help
Hi. Brand new here, so i hope this is the correct way to ask a question. I am putting the engine back in a 2004 Tacoma base with a 2.4 engine. I didn't mark all the plugs in the engine compartment when I took it out. I should have. Most of the plugs are unique, they will only mate up with right plug. Where there are multiples I did mark them, fuel injectors and coil packs. I think what concerns me the most, is the ground connection. I remember reading somewhere that to work properly, they need to go back to original grounding point. I know there is one one the back of the engine head, and another on the alternator. Where can I get some guidance on this?
Over the last couple of days, I reinstalled the belt driven accessories, Alternator, PS pump, Air con. The harness goes to the alternator. A plug and a screw. I know where they go on the alternator. If I follow the harness back about 6", another 3 of wires come off. Possible starter wires, but not long enough to reach. I guess if I am patent, it will become obvious eventually. Looks like I am in for a fun summer.
Over the last couple of days, I reinstalled the belt driven accessories, Alternator, PS pump, Air con. The harness goes to the alternator. A plug and a screw. I know where they go on the alternator. If I follow the harness back about 6", another 3 of wires come off. Possible starter wires, but not long enough to reach. I guess if I am patent, it will become obvious eventually. Looks like I am in for a fun summer.
#2
It looks to me like the black plastic one goes to the starter (did you say it wasn't long enough?). Another large gauge wire should go between starter to battery positive (+). FInally, there is a large gauge wire that goes from the alternator to the fuse box.
Also there are a couple of ground wires that go to the engine, one goes down near the starter bolted to the bottom of the block. The other bolts onto the intake manifold I believe. I don't know how important the EXACT locations are.
Also there are a couple of ground wires that go to the engine, one goes down near the starter bolted to the bottom of the block. The other bolts onto the intake manifold I believe. I don't know how important the EXACT locations are.
Last edited by bpwilliams; 07-20-2022 at 10:29 AM.
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