June 26, 20213 yr comment_624109 In the first picture, that looks like a green/white and red/blue into a T 2 conductor connector female for the heater control's light. I also have a similar connector but with green/white and red that is not plugged in right now. Edited June 26, 20213 yr by Jeff Berk Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624109 Share on other sites More sharing options...
June 26, 20213 yr comment_624112 The second picture shows a 3-contact connector with only the top and bottom connectors used, both wires are green. If so, that might be the map light above the vents. For the other connector in the 2nd picture, how many contact positions, how many are actually used, and what are the wire colors? Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624112 Share on other sites More sharing options...
June 27, 20213 yr comment_624115 I don't know if this helps or makes it more complicated, but here's a chart I started a few years ago. It's never been QC'ed so be forewarned. As an example on how to read this, the "Turn Signal" circuit is on page BE-11, involves junction connectors C-2, 3, 4, and 5, Fuse #3, which is 10 Amps, uses white, green and black wires (specifically white/red, green/red, green/black, black, and black/white). The way I've used this is to try and match up the colors, then go the the FSM page BE-xx to read the wiring diagram. Junction Fuse Wire Color (primary, secondary) System Page (BE-) Block Connectors No. Amp Red White Green Blue Yellow Black Head Light 10 1345 1 10 R, RB, RW W, WR Head Light 10 7 2 10 R, RB, RW, RY W, WR Turn Signal 11 2345 3 10 WR GR, GB B, BW Haz Warning 12 12346 11 10 WR GW BY Stop Lamp 13 26 11 10 W, WR B, BW Clearance & Tail Lmp 14 1256 5 20 W, WR GW B Reverse Lamp 15 3567 9 20 RB W, WR LB Meter Lights 16 246 5 20 RL W, WR GL, GW B Console Lights 17 12346 5 20 RL GW Interior Lamp 18 16 6 10 RL, RB W, WR B Glovebox & Cig Lighter Light 19 246 5 20 W, WR GL, GW B Map Light 20 46 6 10 RL W, WR B Tachometer 30 345 3 10 W, WR G LB B, BW Water Temp/Pressure Gauge 34 234 3 10 W, WR G YB, YW B, BW Amperage/Fuel Gauge 35 345 3 10 W, WR G Y B, BW Brake Warning 36 156 NA #N/A W, WR G, GY BW Heater Illumination 53 12346 5 20 RL W GR, GW B Heater 54 35 8 10 W, WR G L, LR, LW Heater 54 6 13 20 W, WR G L, LR, LW Heater (resistor) 54 NA #N/A B Horn 58 16 10 10 W, WR G, GB, GR Washer 64 3457 9 20 LR, LW Wipers 67 234567 10 10 W, WR L, LW, LY Y B Lighter 69 146 7 20 W, WR LW B Clock 70 146 6 10 RL W, WR B Window Defogger 74 3567 8 10 R W, WR LR, LW B Radio 78 357 8 10 W, WB, WR L, LR, LW B Theft Protection 81 146 6 10 RL W, WR B Choke Warning Light 85 357 3 10 W, WR G B, BW Interlock 99 7 14 10 W, WR B Ignition 102 35 4 10 WR BW, BY Interlock Relay 103 457 NA #N/A WR L, LR BR, BW, BY Neutral Switch Warning 105 457 NA #N/A LgB BY B Engine Revolution Sensor 106 6 14 10 W, WR B Emergency Switch 108 45 NA #N/A WR L Y, YB B, BW, BY Battery (Power Inlet) 106 14 10 W, WR B Junction Blocks Green C-1 Blue C-2 Black C-3 Brown C-4 Green C-5 White C-6 Black C-7 Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624115 Share on other sites More sharing options...
June 27, 20213 yr Author comment_624117 Can’t be map light. It works fine. Could the male bullet red go in the green? Or no way? Are those for an automatic car?? Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624117 Share on other sites More sharing options...
June 27, 20213 yr comment_624119 By chance, my center console and radio are out of the car so I can see my wires. I have a green/white female, and a red/blue male bullet, but they are not being used in my car. I capped off the male to be on the safe side. That multi-connector, if it's a 6-pin with 5 places used, looks a lot like my radio connector for the OEM radio (see photos). I noticed an in-line fuse in one of your photos so I think someone got creative with the electrical wiring on your car. When asking questions about where a wire gets plugged into, indicate the number of connectors and wire colors including the color of the stripe if there is one. Good luck. Edited June 27, 20213 yr by Jeff Berk added photographs Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624119 Share on other sites More sharing options...
June 27, 20213 yr comment_624121 55 minutes ago, Jeff Berk said: I don't know if this helps or makes it more complicated, but here's a chart I started a few years ago. It's never been QC'ed so be forewarned. As an example on how to read this, the "Turn Signal" circuit is on page BE-11, involves junction connectors C-2, 3, 4, and 5, Fuse #3, which is 10 Amps, uses white, green and black wires (specifically white/red, green/red, green/black, black, and black/white). The way I've used this is to try and match up the colors, then go the the FSM page BE-xx to read the wiring diagram. Junction Fuse Wire Color (primary, secondary) System Page (BE-) Block Connectors No. Amp Red White Green Blue Yellow Black Head Light 10 1345 1 10 R, RB, RW W, WR Head Light 10 7 2 10 R, RB, RW, RY W, WR Turn Signal 11 2345 3 10 WR GR, GB B, BW Haz Warning 12 12346 11 10 WR GW BY Stop Lamp 13 26 11 10 W, WR B, BW Clearance & Tail Lmp 14 1256 5 20 W, WR GW B Reverse Lamp 15 3567 9 20 RB W, WR LB Meter Lights 16 246 5 20 RL W, WR GL, GW B Console Lights 17 12346 5 20 RL GW Interior Lamp 18 16 6 10 RL, RB W, WR B Glovebox & Cig Lighter Light 19 246 5 20 W, WR GL, GW B Map Light 20 46 6 10 RL W, WR B Tachometer 30 345 3 10 W, WR G LB B, BW Water Temp/Pressure Gauge 34 234 3 10 W, WR G YB, YW B, BW Amperage/Fuel Gauge 35 345 3 10 W, WR G Y B, BW Brake Warning 36 156 NA #N/A W, WR G, GY BW Heater Illumination 53 12346 5 20 RL W GR, GW B Heater 54 35 8 10 W, WR G L, LR, LW Heater 54 6 13 20 W, WR G L, LR, LW Heater (resistor) 54 NA #N/A B Horn 58 16 10 10 W, WR G, GB, GR Washer 64 3457 9 20 LR, LW Wipers 67 234567 10 10 W, WR L, LW, LY Y B Lighter 69 146 7 20 W, WR LW B Clock 70 146 6 10 RL W, WR B Window Defogger 74 3567 8 10 R W, WR LR, LW B Radio 78 357 8 10 W, WB, WR L, LR, LW B Theft Protection 81 146 6 10 RL W, WR B Choke Warning Light 85 357 3 10 W, WR G B, BW Interlock 99 7 14 10 W, WR B Ignition 102 35 4 10 WR BW, BY Interlock Relay 103 457 NA #N/A WR L, LR BR, BW, BY Neutral Switch Warning 105 457 NA #N/A LgB BY B Engine Revolution Sensor 106 6 14 10 W, WR B Emergency Switch 108 45 NA #N/A WR L Y, YB B, BW, BY Battery (Power Inlet) 106 14 10 W, WR B Junction Blocks Green C-1 Blue C-2 Black C-3 Brown C-4 Green C-5 White C-6 Black C-7 Really nice idea for a database/practical way to speed up troubleshooting work. Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624121 Share on other sites More sharing options...
June 27, 20213 yr Author comment_624123 Ya. I see the original radio plug. They clipped the white black speaker wires and used the blue for power. Most of my stuff worked on the console but I’m still trying to solve the horn power antenna heater fan gauge lights all have no power. Should I try contact cleaner on fuse box ? And is there a way for me to make sure my horn relay is ok as it’s almost impossible to get out. Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624123 Share on other sites More sharing options...
June 27, 20213 yr Author comment_624124 Ohhhh. And does anyone see any fuse in common with horn heater fan power antenna abd gauge lights ??? Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624124 Share on other sites More sharing options...
June 27, 20213 yr comment_624126 The test light probably goes out because you're measuring the side with the resistance of the solenoid coil. When you complete the circuit and the current passes through the contacts the voltage through the solenoid drops too low to light the light. What kind of test light do you have? Another way to test the horn relay would be to connect it to one of the horn wires, at the horn location at the front of the car. Then press the button. The light should light. If it does the relay works. Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624126 Share on other sites More sharing options...
June 27, 20213 yr Author comment_624131 Horns are dead so I just put test light to horn wire and hit horn. But still no light. Does that mean relay is the issue ? Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624131 Share on other sites More sharing options...
June 27, 20213 yr comment_624132 Can't be sure. Not looking good. If you're getting power at the horn button wire then the connections on the way to the horn wire should be good, they use the same plugs, in and out. It might be that the light is going out because the solenoid coil is bad. The heat from grounding the circuit opens the circuit. Can you trace the green wire from the C-6 connector and see if it gets to the horns? That would be a clue. Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624132 Share on other sites More sharing options...
June 27, 20213 yr Author comment_624156 ok - i will get under there and see if i can trace the wires... ONE more thing,.. I DID remove the electronic ignition unit when i put in the new dizzy... does unplugging the Elec ignition box and taking it out of the car effect any other devices or wiring in the car? there is no ground there just a dangling plug... is that ok??? also when testing fuse box i only used tester with light... should i use a multimeter to see if i am actually getting 122 volts accross?? Edited June 27, 20213 yr by Shawninvancouver Link to comment https://www.classiczcars.com/forums/topic/65522-260z-horn-signals-wipers-not-working/?&page=8#findComment-624156 Share on other sites More sharing options...
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