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So it’s attached to my right blinker , a green wire then to the white and black wire on the brake switch . No power to the orange wire or black and white

Got the right turn sing light working by dis connecting this connection in the picture , now right works , still no brake lights tho.

Also no stop lights

Hello all , trying to wire a 7 pin plug in , first wanted to check the lights before I started , got no right turn signal , running lights work and hazards work, I checked for power at the green wire coming from the front at 6 wire male and female connect , got power there for right turn , then...

it does switch ,at first glance I thought it was some kind of switch but wasn’t sure what is was for. I couldn’t find anywhere that showed a yellowwire tapped into that black and white wire for the brake switch.

Hello all, does anyone know what this is, it’s spliced into the black and white wire that goes to my brake switch. Was looking to install a brake controller and found it. Wasn’t sure what it was for. Yellow wire hooked up to something then spliced into the black and white wire. Any help would be...

Also, I just changed the glow plugs but voltage was checked with a multimeter as well as a test light

yes voltage was taken with a multi meter, there's 3 red wires connected to the top of the relay, the top most one goes to the gp switch, then next one below goes behind the air filter to a rectangle looking thing(I guess this is the resistor, then the final red wire goes to the top bus bar...

I will upload pictures shortly, I just checked the voltage at the top of the gprelay and without the key in it was getting 12v and with the glow plugs switch engaged also 12v.

Glow plugs are getting 12v and just changed the glow plugs , still no start, checked the batteries both have 12.8v , also checked the volts going to the starter, that was 12v , is that correct? Fuel filter wasn't clogged

10-4, I will check the volts to the glow plugs in the am, if there getting 12v I will change the plugs , if not I will try to figuring the restistor thing out, while I get the new plugs I'll also throw a new fuel filter on to cross something off the list, I will report back the status after all...

Yes, you are correct , 1 red wire going to the switch it's a smaller one, 1 red to the bus bar , and 1 behind the air filter, truck had been converted to 12 volt. Bottom of the relay has 3 orange wires. (2) big ones and (1) smaller orange wire. Then a small black wire on the front middle of the...

Ok just checked the glow plugs they are getting power. However, the wiring diagram and what currently on the truck is totally different. Currently on the truck there are 3 red wires connected to the top of the relay, 1 goes to the positive term bar, 1 goes to i guess the resistors behind the...

10-4, One problem at a time lol Okay, so i would put the key in and turn and get nothing almost like it was completely dead, not spinning nothing. I tend to agree with what you said that maybe the PO hooked this relay up wrong. I will check to see if I have power to the glow plugs when the...

Thank you Matt5 for this , Engine runs fine once going never had a problem with the truck once running, just the startup, however, I did have a few times when i ran the truck for a while and then turned it off and it would not start back up this past summer, I would cut it off run inside to do...

also, what is that red wire for that is run from the top of the relay to the switch? Ive read almost every post on the manual switch and don't recall reading two wires running to the manual switch? I could be wrong as well, just trying to get to the bottom of this. It has been a pain to start...

When I first got the truck the guy told me to hold for 12-15 seconds so that is what I have been doing, 10-4 i will measure the ohms of the glows after work today. With the batteries fully charged when I attempt to start its sounds like its just about to kick over but never makes that final...