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One of the wires will be black with a colored stripe and the other wire is either yellow w/stripe or blue w/stripe. The set of black wires are the power feed to the injector and pin 1 on the injector. The injector itself doesn't care which terminal is positive and which is negative. Steve
I am replacing my old Walbro 255hp with a new Walbro 255HP. My problem is that the positive and negative wires have terminals on the end and the old Walbro pump had threaded studs attached to it so that I could wire the terminals right in (as seen below). This pump is about 8 years old so its much different in size than the new 255hp.
The main power wires are all setup correctly - One Positive to the terminal furthest from the block, One Negative to the mounting bolt on the bell housing. I have two small wires that look like sensor wires left over. They are the kind of connectors that attach to a wire 'tab'. There is one tab on the top of the solenoid and two wire tab ...
The fuel pump electrical connection is made up of two wires (Black and Blue). Which one is the postive wire and which one is the negative wire? I'm assuming that the black wire is postive and the blue is negative, is that correct?
The Dis Tach Driver has a grey wire (which goes to the green wire on the tach) a black for ground, a red/green (for the blue black on the eclipse coil harness) and a red (for a black white wire). Well inside of my Coil pack harness, I have a green/black wire, a pinkish brown looking wire, and a red/black wire.
You run the positive cable to the switch, not the negative. To be nhra "legal", first, you need to mount the battery in a sealed box that has a vent exiting the outside of the car. You also need to run the altenator charge wire to the battery side of the switch or directly to the positive terminal of the battery.
The ballasts need to wire directly to the wires that connect to the original bulb, not the actual headlight. The headlight wire harness has three wires so you can can use your lowbeams and your highs or your original headlight was a hi/lo setup in one bulb.
5. Cut the wires from the factory horns. You only need the positive and negative lead from one horn to go to the relay. Run the positive wire from the factory horn to pin 86 of the relay and the negative to pin 85. This circuit is what controls the relay to allow current to the Hella horns. Again, use the appropriate connectors.
+ Positive-Negative Wire: Constant 12V Power Color: White Polarity: + Location: Ignition Switch Harness Notes: It's a big FAT white wire. You can't miss it. Get appropriate taps, this thing is a 12-10 gauge. Wire: Starter Color: Black/Red Polarity: + Location: Ignition Switch Harness Notes: Wire: Accessory Color: Blue Polarity: + Location ...
In all due actuality, DC current flows from negative to positive. Thus, ground clean and tight connections along with many grounding points from the negative post are highly important for good current flow (and why you disconnect the negative from the battery when working on your vehicle when the potiental current is not needed) and why it's highly important that no frayed, corroded or ...