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Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: MR_P_BODY] #1664884
08/31/14 04:16 PM
08/31/14 04:16 PM
Joined: May 2004
Posts: 11,852
Taxes & Virus's R-US, NY
Dragula Offline OP
I Live Here
Dragula  Offline OP
I Live Here

Joined: May 2004
Posts: 11,852
Taxes & Virus's R-US, NY
I don't put relays under the hood. All but the fuel pump are under the dash.


'70 Cuda,...605 Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown Hemi Car
Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: Dragula] #1664885
08/31/14 04:38 PM
08/31/14 04:38 PM
Joined: Jun 2003
Posts: 52,968
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,968
Romeo MI
Quote:

I don't put relays under the hood. All but the fuel pump are under the dash.




My pump relay is within 10" of the fuel pump, my water
pump and fan relays are about 18"... I do use relays
for the head lights but dont need them after I changed
head light styles(went to led and halogen) but I
wired the front before I changed styles so I just kept
them there... I also use a constant duty solenoid
to supply the power to all the front end stuff so
it has 1 larger power wire to the front end... this
is on my Rampage... on the race car the relay are still
near the draw but no constant duty solenoid(less junk
to fail)

Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: MR_P_BODY] #1664886
08/31/14 05:06 PM
08/31/14 05:06 PM
Joined: May 2006
Posts: 1,260
New Mexico
A
Adobedude Offline
pro stock
Adobedude  Offline
pro stock
A

Joined: May 2006
Posts: 1,260
New Mexico
I have the big draw relays close to the source, FP relay in the back, Fan relay up front but they are trigged with the ARC 8000 switch panel.


2001 Dodge Dakota
408 All Motor
11.27 @ 117.83 mph
2017 NM Mopar Challenge Series Champion.
Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: MR_P_BODY] #1664887
09/01/14 02:00 AM
09/01/14 02:00 AM
Joined: Nov 2004
Posts: 6,890
North Alabama
M
Monte_Smith Offline
master
Monte_Smith  Offline
master
M

Joined: Nov 2004
Posts: 6,890
North Alabama
Quote:

Sure looks nice ... but WHY put all the relays there..
relays should be near the draw and run a small trigger wire



Because that is a Relay "center" from Painless......I would rather have all my relays in one spot, than all over the car. I believe all new cars also have a central relay source..........Plus, when having the relay close to the "draw", you still have to run power to that relay in a heavy enough gauge wire to handle to amps of the draw. So whats the diff if the long wire is on the draw side, or the supply side?

Monte

Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: Monte_Smith] #1664888
09/01/14 03:50 AM
09/01/14 03:50 AM
Joined: Aug 2003
Posts: 3,220
Between a rock & a hard place
C
cudadoug Offline
master
cudadoug  Offline
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C

Joined: Aug 2003
Posts: 3,220
Between a rock & a hard place
Quote:

I wire a lot of cars and I think you are way over thinking this deal. Wiring a car from scratch is actually pretty easy if you have an understanding of how things work, have some patience and mostly have a PLAN.

For relays and stuff, MANY companies have very nice relay centers already set up and you just terminate from there. I personally use the ones from "Leash" electronics. You can order with any mix of ground or hot relay outputs if desired. It is potted, fused and ready to go.

For a ground, you can do your own "floating" ground setup. Take a strip of fairly thick copper, about an inch wide and six inches long. Put several 3/8 and 5/16 holes in it. These will be your ground lugs. Now mount the strip to the chassis on rubber isolators. The ground cable comes from battery to strip and all items ground to strip. A "to the chassis" ground system is actually one of the poorest setups you can have, yet people continue to do it and wonder why they have wiring issues.

I wire most everything with the "floating" setup I described above, but especially on EFI cars, where clean grounds and RFI noise are big concerns

This is a dragster bulkhead I wired a couple years ago with a nice Painless relay and fuse center. We spread the stuff out over the bulkhead, that in case of an issue it would be easy to look at and diagnose

Monte




Not to get off topic, and not to be a kiss azz, but Monte...

Your contributions on this board are invaluable! I learn something from every post. THANK YOU!!

Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: cudadoug] #1664889
09/03/14 10:42 PM
09/03/14 10:42 PM
Joined: May 2004
Posts: 11,852
Taxes & Virus's R-US, NY
Dragula Offline OP
I Live Here
Dragula  Offline OP
I Live Here

Joined: May 2004
Posts: 11,852
Taxes & Virus's R-US, NY
I like the central relay's, keeps it simple in my mind and away from water and heat sources. My fuel pump one is probably the closest and only relay not under the dash.

So some good idea's. I haven't pulled the trigger on anyhting, but want to just re-wire the whole car. Anyone have a diagram they used they can post?


'70 Cuda,...605 Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown Hemi Car
Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: Dragula] #1664890
09/04/14 03:19 AM
09/04/14 03:19 AM
Joined: Nov 2004
Posts: 6,890
North Alabama
M
Monte_Smith Offline
master
Monte_Smith  Offline
master
M

Joined: Nov 2004
Posts: 6,890
North Alabama
Quote:

I like the central relay's, keeps it simple in my mind and away from water and heat sources. My fuel pump one is probably the closest and only relay not under the dash.

So some good idea's. I haven't pulled the trigger on anyhting, but want to just re-wire the whole car. Anyone have a diagram they used they can post?


Take some time, sit down and make your OWN diagram. Its your car, you alone know what circuits you need..........so draw it out and start stringing wire. You can speed the process a little by retaining the factory head and tail section wiring. I mean lights are lights, if they are working, leave them alone. I usually install a terminal strip under the dash on the drivers side and run the factory head and tail harnesses to that. Clean, color coded and easy to tie into with new switches. The under dash and under hood wiring on older cars is usually where the issues are, not in the lighting

Monte

Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: Monte_Smith] #1664891
09/04/14 07:27 AM
09/04/14 07:27 AM
Joined: May 2004
Posts: 11,852
Taxes & Virus's R-US, NY
Dragula Offline OP
I Live Here
Dragula  Offline OP
I Live Here

Joined: May 2004
Posts: 11,852
Taxes & Virus's R-US, NY
Quote:

Quote:

I like the central relay's, keeps it simple in my mind and away from water and heat sources. My fuel pump one is probably the closest and only relay not under the dash.

So some good idea's. I haven't pulled the trigger on anyhting, but want to just re-wire the whole car. Anyone have a diagram they used they can post?


Take some time, sit down and make your OWN diagram. Its your car, you alone know what circuits you need..........so draw it out and start stringing wire. You can speed the process a little by retaining the factory head and tail section wiring. I mean lights are lights, if they are working, leave them alone. I usually install a terminal strip under the dash on the drivers side and run the factory head and tail harnesses to that. Clean, color coded and easy to tie into with new switches. The under dash and under hood wiring on older cars is usually where the issues are, not in the lighting

Monte




As mentioned before, its the factory wiring that is the culprit. My wiring is working ok, but its a mess of colors and will need to be redone too. So nothing will stay unfortunetly except for the fuel pump wiring.

I know need the pin out for the steering column though...


'70 Cuda,...605 Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown Hemi Car
Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: Dragula] #1664892
09/04/14 11:15 AM
09/04/14 11:15 AM
Joined: Aug 2007
Posts: 2,224
Arlington, Tx.
B
BJS racing Offline
top fuel
BJS racing  Offline
top fuel
B

Joined: Aug 2007
Posts: 2,224
Arlington, Tx.
Here is a K&R system I did on a car not too long ago.


Back in the swing of things at Painless again! Great to be back!
Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: BJS racing] #1664893
09/04/14 11:19 AM
09/04/14 11:19 AM
Joined: Aug 2007
Posts: 2,224
Arlington, Tx.
B
BJS racing Offline
top fuel
BJS racing  Offline
top fuel
B

Joined: Aug 2007
Posts: 2,224
Arlington, Tx.
I have used many different systems and they all have their ups and their downs. I have hand built wiring harnesses and sometimes that is what you have to do in order to get everything exactly the way you want it but many times it is easier to deal with something that is already made and use it to the best of your ability even if it has just a little more than you need. Monte that is a really nice looking set up you did! And like said before thank you for all of your input on here. Even I learn quite a bit from you even about wiring and that is what I do. Every time you see the way someone else does something you pick up on things and rethink the way you do it to make yourself better.


Back in the swing of things at Painless again! Great to be back!
Re: Need a Pro Street Wiring Harness for a Cuda.... [Re: Dragula] #1664894
09/04/14 11:24 AM
09/04/14 11:24 AM
Joined: Aug 2007
Posts: 2,224
Arlington, Tx.
B
BJS racing Offline
top fuel
BJS racing  Offline
top fuel
B

Joined: Aug 2007
Posts: 2,224
Arlington, Tx.
Quote:

Quote:

Quote:

I like the central relay's, keeps it simple in my mind and away from water and heat sources. My fuel pump one is probably the closest and only relay not under the dash.

So some good idea's. I haven't pulled the trigger on anyhting, but want to just re-wire the whole car. Anyone have a diagram they used they can post?


Take some time, sit down and make your OWN diagram. Its your car, you alone know what circuits you need..........so draw it out and start stringing wire. You can speed the process a little by retaining the factory head and tail section wiring. I mean lights are lights, if they are working, leave them alone. I usually install a terminal strip under the dash on the drivers side and run the factory head and tail harnesses to that. Clean, color coded and easy to tie into with new switches. The under dash and under hood wiring on older cars is usually where the issues are, not in the lighting

Monte




As mentioned before, its the factory wiring that is the culprit. My wiring is working ok, but its a mess of colors and will need to be redone too. So nothing will stay unfortunetly except for the fuel pump wiring.

I know need the pin out for the steering column though...




http://www.painlessperformance.com/Manuals/10127.pdf

Page 12 is a chart that should be the same color codes as the factory wiring coming out of your column.


Back in the swing of things at Painless again! Great to be back!
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