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Old 03-20-2014, 10:13 PM   #11
Phat Phrog Stunt Team
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Join Date: Aug 2011
Location: Iowa
Posts: 34,205
Originally Posted by MillerTime View Post
You might look for a fuse labeled " DRL" for daytime running lamps. U could pull that fuse.

On ebrake switch circuit, you can test, but on some vehicles sometimes when ebrake is engaged just enough to trip the switch, but not enough to catch the brakes; if the vehicle continues movement the drl will kick back on again. I dont know if this will happen with air brakes as my truck didn't have drl's.

On finding presure switch, you may look by the manifold, usually close to the steering column- sometimes outside the cab, sometimes under the dash. But you will have to test the switches, as some systems have 2 switches, for brakes, pressures, and you may have more, Im not sure on that kind of system.
If it was me, I would find the ground for the headlamp, isolate those 2 wires and place a switch on the ground wires, then you can just ground the other switch lead to any body grounded area. You will just have to remember that you need the switch to be "normally closed" for your lights to work. Also this way you won't ever have to worry about "shorting" any circuits out.

MillerTime- Future Sabre Handler!!
Mt I think its a model that can't be removed.
If you remove the drl module other things wont work.

Sabre owners united!

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Old 03-20-2014, 10:29 PM   #12
Oklahoma Proud
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Join Date: Jul 2012
Location: central OK
Posts: 2,579
Well technically it would probably fall under the BCM ( body control module).
Under many manuf. This (drl) is a fused separate circuit, albeit not all manuf. may have this, but I've run accross it as a seperate circuit many times.

*** if you read my note under the stars, it will tell you how to achieve this without hurting any circuits or modules.
- but again only disconnect (or cut) the ground wire from the drl lamps only. As many systems have multiple grounds connected at one "eyelet" type connector that bolts to frame or body. DO NOT DISCONNECT THE WHOLE GROUNDING, MULTI WIRE EYELET- THIS WILL EFFECT OTHER SYSTEMS.
- ALSO this will prevent any shorting issues if someone happens to route a wire wrong.

MillerTime- Future Sabre Handler!!

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