Wiring Questions
Here are some questions I had about what can be removed from the engine compartment, and how to remove it. I had already removed a number of hoses and wires that were obviously unneeded. I'm not sure about the rest of the stuff in there. I emailed Andrew with these questions, and he responded immediately. His answers are below my questions. And of course, they are all exactly right.Photo 1
Here's my initial question. How do I remove the harness that goes into the hole? I unclipped many connections from this harness to the engine and other connectors. The harness is completely disconnected from anything, but it still disappears through this corrugated hose. I looked under the passenger side dash, and followed the harness to what I think is the cruise control computer. I disconnected the harness from the computer, but couldn't pull the harness up and out of the corrugated tube.Andrew's answer:
You should be able to feed that harness back down through the firewall into the interior. Disconnect the harness from any other connections in the engine compartment. This harness, and the computer it is attached to in the car (by the passenger’s feet) are for the ignition system. Remove the harness and computer. You should be able to unplug all connections.
The 2 hoses here need to remain as they are for the AC system.
Photo 2
I tried unbolting this plate, but it seems to be adhered to the firewall somehow. If the plate came off, I think I could get the harness out.Andrew's answer:
To remove the plate you mention, there is a vacuum tank attached to the backside of it with a 9/16” nut. Remove the nut and you can pop off the plate. There is a seal there to the firewall that will probably tear, but you can seal it back up. Leave the tank in there and reinstall the nut you removed.
My Note:
Even though Andrew gave a pretty clear answer, I still misunderstood him. The 9/16" nut he refers to is on the top of the plate, and after removing it the plate will pop off. I thought the 9/16" nut was under the plate, holding the vacuum tank on under the dash.
Photo 3
This harness is very close to the other harness. It disappears into the
right fender near the corrugated hose. It looks like everything it
connected to is gone. Where does this harness go to, and how do I get it
out?
Andrew's answer:
Your finger is pointing to the fuel injection harness, which we will cut in the fenderwell behind the right front wheel. Remove the right front wheel/tire and directly behind it is an access panel to the inner area of the fender. Remove the panel, and you will see 2 harnesses in there. One will go down into the fender and then into the body through a grommet- that’s the fuel injection harness that we will cut about 1 foot ahead of the grommet (towards the engine). The other harness in there goes to a bulkhead connector on the body- that is the basic engine function harness (for gauges, ignition power, AC clutch control, alternator field wire, etc.,.). We will leave that harness alone. (my new basic engine harness will plug into the end of this harness (in the engine compartment) when we do the conversion).
Photo 4
This relay panel is under a plastic cover. The silver relay is marked as an
ignition relay. Can the relay and everything connected to it go, or is it
necessary for the new engine?
Andrew's answer:
The silver relay is the starter relay. Leave it alone for now.
Photo 5
This connector is on the right front fender. It was connected to an engine
harness. Can it go?
Andrew's answer:
The wiring you are holding is part of the fuel injection harness that we will remove down into inner right fenderwell area.
Photo 6
This relay used to hang off the radiatior header. I read a page on the
internet that talked about anti-stall relays hung off the header, but there
were two relays in that description. Can the relay plugged into the blue
connector go?
Andrew's answer:
I believe this relay will go with the fuel injection harness.
Photo 7
This relay and fuse block is on the left fender. Can anything here be
removed?
Andrew's answer:
All relays there will stay.
Photo 8
This is the coolant overflow hose that used to attach to the coolant tank.
The hose disappears into the fender near the left side of the firewall, and
comes out inside the left fender. Can the hose go, or is it used by the
new LT1 engine?
Andrew's answer:
This hose goes to a catch tank in the left side fenderwell area (a similar space to the right side). If you want, you can remove the access panel on that side and remove the tank and hose,. We won’t be using them.
Andrew's answer:
The silver relay is the starter relay. Leave it alone for now.
Photo 5
This connector is on the right front fender. It was connected to an engine
harness. Can it go?
Andrew's answer:
The wiring you are holding is part of the fuel injection harness that we will remove down into inner right fenderwell area.
Photo 6
This relay used to hang off the radiatior header. I read a page on the
internet that talked about anti-stall relays hung off the header, but there
were two relays in that description. Can the relay plugged into the blue
connector go?
Andrew's answer:
I believe this relay will go with the fuel injection harness.
Photo 7
This relay and fuse block is on the left fender. Can anything here be
removed?
Andrew's answer:
All relays there will stay.
Photo 8
This is the coolant overflow hose that used to attach to the coolant tank.
The hose disappears into the fender near the left side of the firewall, and
comes out inside the left fender. Can the hose go, or is it used by the
new LT1 engine?
Andrew's answer:
This hose goes to a catch tank in the left side fenderwell area (a similar space to the right side). If you want, you can remove the access panel on that side and remove the tank and hose,. We won’t be using them.
Andrew's answer:
I believe this relay will go with the fuel injection harness.
Photo 7
This relay and fuse block is on the left fender. Can anything here be
removed?
Andrew's answer:
All relays there will stay.
Photo 8
This is the coolant overflow hose that used to attach to the coolant tank.
The hose disappears into the fender near the left side of the firewall, and
comes out inside the left fender. Can the hose go, or is it used by the
new LT1 engine?
Andrew's answer:
This hose goes to a catch tank in the left side fenderwell area (a similar space to the right side). If you want, you can remove the access panel on that side and remove the tank and hose,. We won’t be using them.
Andrew's answer:
This hose goes to a catch tank in the left side fenderwell area (a similar space to the right side). If you want, you can remove the access panel on that side and remove the tank and hose,. We won’t be using them.