How do you splice 5 wires into 1 wire on your engine harness?
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How do you splice 5 wires into 1 wire on your engine harness? I have to splice together a total of 5 small wires (about 20ga) into one 16ga wire on my wiring harness. So far, I have been using adhesive lined shrink tubing on all of my connections, and I want something that is equally weatherproof, heat resistant, and durable. I don't want to cut corners here - what is the correct way to do this??
If I use the regular shrink tubing I have been using, I don't think there's enough glue to work around all the small wires and give me a good seal.
For some of the grounds on my harness, I see GM connected several small grounds with one large ground by using what looks like a piece of nylon shrink tubing and some sort of white glue looking stuff. Is that what I have to do?
Thanks, -Dave
If I use the regular shrink tubing I have been using, I don't think there's enough glue to work around all the small wires and give me a good seal.
For some of the grounds on my harness, I see GM connected several small grounds with one large ground by using what looks like a piece of nylon shrink tubing and some sort of white glue looking stuff. Is that what I have to do?
Thanks, -Dave
Thread Starter
TECH Addict
iTrader: (10)
Joined: May 2005
Posts: 2,487
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From: Pittsburgh, PA
Thread Starter
TECH Addict
iTrader: (10)
Joined: May 2005
Posts: 2,487
Likes: 2
From: Pittsburgh, PA
It is the INJ1 and INJ2 circuit, where all of the injector wires and the coil pack wire comes together into one circuit for each cylinder bank. I am using a truck engine wiring harness and a fuse box from an Impala. The truck has all independent wires that go into one fuse on the truck fuse box, where the impala has one large wire. Each Impala injection circuit uses a 20A fuse, where the truck uses a 15A fuse.
I am using a truck engine wiring harness and a fuse box from an Impala.
I am using a truck engine wiring harness and a fuse box from an Impala.
Oh.. ok I got what you are saying.. yea all them wires are spliced internally. There is that one larger 16ga wire that splits into the 4 smaller ones. You should be fine with that as long as you isolate it to each bank.
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Just use the heat shrink with the glue that shrink 3:1 instead of the stuff that only shrinks 2:1
You can also loop 1 or 2 of the 20 ga. wires in the harness, so they enter the splice on the same end as the 16 ga. wire
You can also use 2 layers of heat shrink, put a short piece each end on the splice and a bigger one overlapping them
You can also loop 1 or 2 of the 20 ga. wires in the harness, so they enter the splice on the same end as the 16 ga. wire
You can also use 2 layers of heat shrink, put a short piece each end on the splice and a bigger one overlapping them
