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GOLDCYLON · 09-23-2017

I soft deleted that post while I was working on a problem with the mod. While everything appeared to work correctly the next day I ran into a problem when the park lights are on or the headlights are on as the blinkers will error out. The solution was to pull the amber turn signal bulbs from the front side markers. It appears GM runs 12v power through the side marker connections while pulling a 12v load to power the headlights. I asked -=JEFF=- to work a plug and play solution for me as I did not want to splice resisters into the factory wiring. I paid for the hardware for him to bench test and research for me. He did create a plug and play solution for me and I am ordering two more kits in the future. I have been running the plug and play mod now for three weeks with no blinker errors to date and I have replaced both my front and rear side markers with amber and red LEDs. I will activate that other post this weekend as I have a few pics to make of the install. Do me a favor since I have a 90 and a 91 only will you turn on your headlights and see if your turn signals work? I believe all C4s MY 90-96 are wired the same way. Thanks GC

Please note this mod is not ready for prime time and is in the trials and bench test mode only. -=JEFF=- will announce if and when he is ready to start making this plug and play mod available to the C4 community and at a price point of his choosing. This is Jeffs innovation and we are darn lucky to have him in the community. Jeff was kind enough to take his time to find a PNP solution for me that may benefit the entire community in the future. Just like Jerry, Cliff and a few others I'm sure I missed. We have an opportunity to advance our hobby and this great organization. GC

09-23-2017	#37
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,120	Re: License plate LED bulb upgrade I soft deleted that post while I was working on a problem with the mod. While everything appeared to work correctly the next day I ran into a problem when the park lights are on or the headlights are on as the blinkers will error out. The solution was to pull the amber turn signal bulbs from the front side markers. It appears GM runs 12v power through the side marker connections while pulling a 12v load to power the headlights. I asked -=JEFF=- to work a plug and play solution for me as I did not want to splice resisters into the factory wiring. I paid for the hardware for him to bench test and research for me. He did create a plug and play solution for me and I am ordering two more kits in the future. I have been running the plug and play mod now for three weeks with no blinker errors to date and I have replaced both my front and rear side markers with amber and red LEDs. I will activate that other post this weekend as I have a few pics to make of the install. Do me a favor since I have a 90 and a 91 only will you turn on your headlights and see if your turn signals work? I believe all C4s MY 90-96 are wired the same way. Thanks GC Please note this mod is not ready for prime time and is in the trials and bench test mode only. -=JEFF=- will announce if and when he is ready to start making this plug and play mod available to the C4 community and at a price point of his choosing. This is Jeffs innovation and we are darn lucky to have him in the community. Jeff was kind enough to take his time to find a PNP solution for me that may benefit the entire community in the future. Just like Jerry, Cliff and a few others I'm sure I missed. We have an opportunity to advance our hobby and this great organization. GC __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V Last edited by GOLDCYLON; 09-23-2017 at 05:05 PM.