I am trying to make a circuit for my newly installed DRL (Day running lights), what I am trying to do is have the DRL run all the time, turn off when using high beam, dimmed when headlights are on.
I bought two 5 pins relays and attempted to make a circuit for that purpose, here is an image of what I have done so far (excuse my drawing, I have no idea how to make proper diagrams, I am a systems engineer and I work as a mechanic and electrician for my first project car on my spare time)
- DRL (Day) = Day Running Lights running normal
- DRL (Night) = Day Running Lights are dimmed
- HL= Headlights
- HB= High Beam
- ACC= Accessories/(+)
I have connected the ground and the (+) to the battery and a small 12v light to the ground and to (DRL (Day)), the light was working fine, I have connected (HB) to ACC in order to activate the first relay and it worked fine by cutting the power to the second relay. The problem was with the second relay, when I connected (HL) to ACC both (DRL (Day)) and (DRL (Night)) stopped working, what was supposed to happen is to switch the power from (DRL (Day)) to (DRL (Night)).
The diagram is exactly what I have done to the relays, same pin locations and same connections. This is my first time to work on relays so excuse me if the problem is too obvious.
Side question: If I want to dim the 12v DRL by 50%, how can I find the required resistor?
EDIT: The diagram on the relays is exactly the same in the picture I have attached.