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Thanks for the reply. I should have been more clear. I purchased the harness for the switchbacks from sharp light innovation but I don't know where to install it.
That's for the hyper flash relay. I have that installed already.
I checked their website and emailed them but no response. They have one pic and it looks like somewhere under the headlights next to the fogs but still not sure.
Unless I am missing something, The switchback harness just connect into your stock bulb sockets. I have them on my car, I would check and clean the stock bulb sockets out as mine had some crud in them. They do have to go in correctly so the polarity matches up correctly. If you plug them in and they don't work, flip the plug 180 degrees and then they should work.
I did find this on the Sharplight Innovations website
The hyperflash harness connects to the wires that run up to hazard switch. If you have your knee bolster removed, just reach up and trace back the wires that connect to the hazard switch. The hazard wire will click together and run up to the steering wheel area.
Disconnect the factory wiring at this location and install the hyperflash harness
Unless I am missing something, The switchback harness just connect into your stock bulb sockets. I have them on my car, I would check and clean the stock bulb sockets out as mine had some crud in them. They do have to go in correctly so the polarity matches up correctly. If you plug them in and they don't work, flip the plug 180 degrees and then they should work.
I did find this on the Sharplight Innovations website
I ran switchbacks for about 10 years and I did not have a secondary harness, just the two-bulb wire connector as pictured as the LED bulb I installed "switched back" between white and amber with no additional electrical wiring involved. The only harness I ran was the hyper-flash harness under the steering column. I have since installed the Vettelights corners with the LEDs integrated so the same direct installation applies as the multi-bulb LEDs are integrated into the housing. They supplied some resistors to prevent any hyperflash, however since I was running the hyperflash harness, I didn't need to install them.
