DRR Trophy
| So I’d essentially just be running 2 wires to my t brake, one from the delay box, and one from my auxiliary backup switch?
James Stringer
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| Posts: 36 | Location: Georgia | Registered: November 20, 2016 |
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DRR S/Pro
| quote: Originally posted by Jamey2632: So I’d essentially just be running 2 wires to my t brake, one from the delay box, and one from my auxiliary backup switch?
Yes or you can tee the switch into the wire going to the t brake solenoid, either way. Your just bypassing the delay box to send 12v to the solenoid. I mounted a momentary push button on my dash to back up on or off track. |
| Posts: 2163 | Location: Tewksbury, MA,USA | Registered: November 03, 2000 |
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DRR Trophy
| Ah tying in after would make a lot more sense than running a wire all the way back. Thanks a ton top38!
James Stringer
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| Posts: 36 | Location: Georgia | Registered: November 20, 2016 |
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DRR Trophy
| Just wanted to try it out. A lot of guys at my local track seem to do a lot better with it. If not I’ve got the wires handy to run from the relay back to the msd. Either way a latching switch for reverse is definitely going to make it easier to back up
James Stringer
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| Posts: 36 | Location: Georgia | Registered: November 20, 2016 |
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DRR S/Pro
| quote: Originally posted by Jamey2632: Just wanted to try it out. A lot of guys at my local track seem to do a lot better with it. If not I’ve got the wires handy to run from the relay back to the msd. Either way a latching switch for reverse is definitely going to make it easier to back up
I would caution you on the latching switch idea, I have seen many leave these on and get out of the car to find a dead battery or burnt up solenoid. At least have the 12v source switched to the ignition so you can't forget. |
| Posts: 2163 | Location: Tewksbury, MA,USA | Registered: November 03, 2000 |
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DRR Trophy
| Good point top38, it’ll definitely come from the switched side of the ignition. And the only time I could see forgetting is after backing up in the trailer and the power always gets cutoff then. I’m also trying the led push buttons on all my stuff and the light will only be illuminated if it’s on so I’ll make it a point to add that to the checklist
James Stringer
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| Posts: 36 | Location: Georgia | Registered: November 20, 2016 |
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DRR Trophy
| And I agree mike. I’m in a ridiculously slow dragster that doesn’t hardly ever spin, and I feel like I can trust a timer more than a tach signal but who knows. Gotta try it to find out. Time and distance are guaranteed though. Just my train of thought
James Stringer
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| Posts: 36 | Location: Georgia | Registered: November 20, 2016 |
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DRR S/Pro
| quote: Originally posted by HR3377: Run your back-up switch to the trans brake terminal on the delay box. should not back feed to the box, and I have mine tied to the fuel pump circuit so its off when the motor is off.
Yes, just land the output of your backup switch/button to the delay box rather than hacking into the transbrake wire someplace.
Tony Leonard
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| Posts: 3253 | Location: Inver Grove Heights, MN | Registered: March 18, 2004 |
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DRR Trophy
| Thanks Tony and hr! Wired it up last night and worked perfectly
James Stringer
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| Posts: 36 | Location: Georgia | Registered: November 20, 2016 |
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