1953C4Truck
Member
I have a very cool project going and I just ran hard into a roadblock. The project is a Vette powered 1953 Chevy truck. I've acquired a lightly crashed but totaled 1991 C4, L98 700R4 that ran nice and even drove nice as a donor for just about everything. I've removed the engine, trans, front & rear suspension, steering column, shifter w/wiring and linkages, brakes w/master, gauge cluster, fuel pump & sender, most of the dash and of course the entire wiring harness.
At this point I have the truck about 90% mocked up and was ready to hear the noise of that L98. So, I connected all the plugs into all the computers, gauges & column etc. and connected a ground to all the ground leads just as it was in the car before I took it apart. Right after the install of a new battery that shows 12.7 volts on my meter , I turned the key... NOTHING.
The security light flashes on the left of the cluster but it did that before I took the vette apart because the car had no doors when I got it. When I turn the headlight switch on, the center of the gauge cluster lights up and I see "SYS" flash three times. I get no clicks or noises from the fuel pump or anything else for that mater. It's like the computers aren't waking up at all.
I noticed one other thing. Before I took the car apart, I took a short video of a start-up. In the video, the tach w/key off & out is resting at zero - or the beginning of the scale. Now, w/key off and out the tach is at about 5250 and doesn't budge at all with key in and on, again - like it's not waking up.
The only part I have not hooked back up to the harness (and no longer have) is the ABS control unit that sits behind the left seat. I ran my test meter on the plug and found that there is a pin with 12 volts and am now wondering if the computers need to see something from that part of the harness to tell the computers to run.
I've read a good bit on the VATS but I think my problem is before the VATS
I know this is a complicated mess I have going but I'm determined to learn what I need to figure it out.
Any thoughts, ideas of help would be greatly appreciated.
Regards,
Ken
PS If you're interested, heres a link to a series of project pictures up to this point...
YouTube - 53 Chevy truck, "Project Mascot" for Composiclean.com
At this point I have the truck about 90% mocked up and was ready to hear the noise of that L98. So, I connected all the plugs into all the computers, gauges & column etc. and connected a ground to all the ground leads just as it was in the car before I took it apart. Right after the install of a new battery that shows 12.7 volts on my meter , I turned the key... NOTHING.
The security light flashes on the left of the cluster but it did that before I took the vette apart because the car had no doors when I got it. When I turn the headlight switch on, the center of the gauge cluster lights up and I see "SYS" flash three times. I get no clicks or noises from the fuel pump or anything else for that mater. It's like the computers aren't waking up at all.
I noticed one other thing. Before I took the car apart, I took a short video of a start-up. In the video, the tach w/key off & out is resting at zero - or the beginning of the scale. Now, w/key off and out the tach is at about 5250 and doesn't budge at all with key in and on, again - like it's not waking up.
The only part I have not hooked back up to the harness (and no longer have) is the ABS control unit that sits behind the left seat. I ran my test meter on the plug and found that there is a pin with 12 volts and am now wondering if the computers need to see something from that part of the harness to tell the computers to run.
I've read a good bit on the VATS but I think my problem is before the VATS
I know this is a complicated mess I have going but I'm determined to learn what I need to figure it out.
Any thoughts, ideas of help would be greatly appreciated.
Regards,
Ken
PS If you're interested, heres a link to a series of project pictures up to this point...
YouTube - 53 Chevy truck, "Project Mascot" for Composiclean.com