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Thanks @halifaxhops , I did not see it on the site. Sent them email to verify.

I changed out the wiring on my 71 demon 340 with M&H factory style harness from YR1. I recently got the factory 71 idle solenoid rebuilt/refurbished and want to install but I do not see a wiring harness for it or wire from the main harness? The FSM shows a dark blue wire going to the ballast if...

@toolmanmike - Yes that was done a week ago. Both horns tested out as bad.

****SOLVED**** First; THANK YOU to everyone that took time to help diagnose this issue. Been away for a few days for baseball and wanted to report back. While working with these horns, accidently dropped one on the garage floor and when I picked it up, there was a chunk of crud on the floor...

@Swinger 340 - did that and still nada - removed the powedercoating with a Dremel tool(brush) see next post.

@Dana67Dart - yes used a small dremel brush wheel and cleaned off powder coat on both the brackets, and the rad support area where they mount. Still nada.

Mopar buddy about 20 mins away has a horn possibly two that are known to work. Gonna borrow and see what happens. I cleaned the brackets with a dremel (mounting area) as well as cleaned up the mounting area on the rad support and still nothing. Leaning heavily towards the horns are bad. We'll...

Already did that and nada, both while still attached to the mounting bracket and without.

Thank you, will check them with this method tmrw and report back.

@Dana67Dart and @Demonx2 - I see your points (great ones too), but still confused as to why I wouldn't get a honk when touching the wire from the battery to the horn terminal?

I have those through the rad support and into the horn bracket

@Demonx2 - well I am getting power at both plugs when the horn button is pressed - test light illuminated with each horn press. I'm just confused as I ran a wire from the battery to each horn terminal and nada.

Ok, hooked test light to each of the plugs and had my son press the horn button, each horn press resulted in the test light illuminating. So it appears power is getting to the plugs, so must be grounding or the horns are bad, but as I stated I ran a power wire to each horn and nada?

@340wedge - ok, will check at the plug and report back. When you say check the ground? Which ground? At the bracket on the rad support? The brackets were previosuly powder coated, so perhaps I should take some of the paint off the bracket where it meets the rad support? But will check the two...

71 Demon - ALL new wiring; under dash, column, engine etc and NOS horn relay. Horns had been working - Prestolite pair that I had the powder coater PAINT and not powder coat due to the heat. Horns stopped working, checked fuses - all good. Standard base steering wheel - push the button and...

I see now that the voltage regulators now are no longer stenciled and have a cheap sticker with the part number and date code. Is there any other options for these? Is anyone rebuilding old vintage ones? Thanks!

@CRUZE 418 - thank you! I will take a more detailed look.

@Oldmanmopar - Thank you!

I had to replace the pigtail connectors for both front turn signals on my 71 Demon. Both of the separate ground wires were missing on the old ones. I'm not seeing where the ground wire with the eyelet grounds to for the new connectors. I just did not want to drill a hole and screw it into...

Ok, being told its for the reverse switch light for 4 spd?

Toper McGinnis

Topher McGinnis - really nice job.

Just had my 71 motor rebuilt - and I didn't recall this small harness on the motor when I sent it in; 71 Demon 340-4spd. Looked in my new 71 chassis manual and FSM and can't decipher where this plug goes to? I don't seen anything on the current engine harness, but its been spliced a hundred...

@67Dart273 THANK YOU! This was exactly what I needed! I now see the Key Buzzer plugs into the ignition switch connector. Much appreciated as I kept looking at the other manual and as you said I now know they are not fully complete and I should check the chassis manual as well.

Ignition switch is new - old switch along with this key buzzer switch were both cut and spliced so I'm unsure where they go?

Re wiring the Demon with M&H harness, and the original 5 wire ignition switch is being changed out as well as the ignition switch harness was cut. While in the column, I noticed the key buzzer harness (two red wires) was also cut. Where does the two plug buzzer harness connect to please? I did...