Prosport Evo boost gauge issues
I'm having trouble wiring the prosport evo boost gauge into my MSM. First off I have to say the instructions are just straight confusing.
Gauge lights up and numbers are showing, but they're in correct. At power up, it shows +18psi. At idle and driving it shows constant +23psi. I have the white wire on the boost sender connected to the green wire on the boost gauge. The boost sender is currently not grounded. When the boost sender IS grounded, the gauge shows "- - -" meaning the boost sender has stop working. Does anyone have any experience with this? I've tried searching, but there's not a common write up for an electrical boost gauge wiring diagram. Here's their instructions http://prosportgauges.com/instructio...EVOgwBOOST.pdf |
Originally Posted by rbao
(Post 946558)
I have the white wire on the boost sender connected to the green wire on the boost gauge.
The boost sender is currently not grounded. When the boost sender IS grounded, the gauge shows "- - -" meaning the boost sender has stop working [sender]white -> [gauge]green looks correct You also must have both +12v and ground hooked up on the sender and the gauge. Just wire up the sender to +12v, ground, and the green wire on the gauge for the gauge, hook up +12v to red & white, black to ground, and the green from the sender. Just twist them onto any +12v source, use the cig lighter or something easy. Test it out first this way. If it works, then you'll know something is wrong with your wiring and you can troubleshoot from there. Worry about the daytime/nighttime backlighting color options later, once you confirm the actual gauge is working properly. |
So i did a little more digging,
Boost gauge side white: to a constant power source red: to ignition Orange: leave alone for now Green: to white sender black:ground Sender side Red: to ignition White:green black:ground If sender ground is not connected to ground, +15psi is shown If sender is connected to ground, --- is shown Is there something wrong with the sender? |
Originally Posted by rbao
(Post 946590)
Is there something wrong with the sender?
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It's pretty possible... Prosport electronic senders aren't exactly known for being robust. Seems if they aren't DOA, they tend to last about 14 months, conveniently just after the warranty runs out.
I just ripped a Prosport Premium boost gauge out of a car that had a failed sender. |
Fixed. Turns out the sender was dead.
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