ForYourOwnGood
Well-Known Member
- Joined
- Jun 28, 2016
- Threads
- 41
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- 1,397
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- Location
- Central MA
- Vehicle(s)
- 2017 Grabber Blue 5.0
- Thread starter
- #1
Hey guys, been searching for a while now and I can't find any real solid info on this. I got the JMS pump booster on the recommendation of my tuner, and I've installed it. Currently set for 5V activation (begins at 2.4V) with a 0.8V ramp. However, I can't for the life of me figure out where it wants me to check the voltage from to set the output. It says the white wire, I'm assuming thats the one on the large plug to the pump driver itself? Because I've tried that wire both to the ground in the plug and to chassis ground and I get a solid 12V all the time, it never changes. The light does flash at 1/2 throttle like its supposed to.
Second thing, it says to put a 30A fuse in for the pump, but my car already has a 30A fuse of a totally different type for the pump? Is that just for older models?
Second thing, it says to put a 30A fuse in for the pump, but my car already has a 30A fuse of a totally different type for the pump? Is that just for older models?
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