installed a boost gauge but not sure if I did it correctly

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When I turn the car on it sits at 10 vac then when i drop it into gear it goes to 15 vac. Not sure if that's normal?

i have removed the solinoid restricter so that did increase the psi. on the gauge it shows that full boost is at 12.5 psi. also not sure if thats right, but with the bcs mod i think it is.

2nd, i suck at wirring stuff, so i read one instruction guide that said to split and connect the black wire to the black wire in the b66 wireharness. and the green wire to a purple one that came with my gauge. so i did that. i didn't have an enclosed space so i went to a darker area, and saw the gauges were lighting up fine. except for the boost gauge, i couldn't tell. so i'll check when it geets dark. the problem is that there was a 3rd wire (a red one) that came with my gauge. i didn't kno what to do about it, so i just tapped it off and left it hang. is this the one i should ground?

oh and the monting tape is temporary. i need to find a better mount

 

[ColdAudio]

Yes.


Yes.


Don't remember but it wouldn't be that hard to just follow the vacuum hoses.

You sir, are the greatest. Help very much appreciated. Now if only taboo was up or someone had mirrored it.

 

[DarkSeraph]

I found another tutorial on how to install a boost gauge, but I don't know how good it is since I haven't installed one yet.

http://www.carreview.com/projecteclipseboostgaugecrx.aspx

 

[selser420]

Don't want to thread jack, but since we're on the topic..... I have an Autometer Ultralight boost gauge that I put in 3 mos ago. When I installed it, it zeroed out fine. Now when my motor is off it reads 3-4 hg/in. Any ideas as to why? Can it be calibrated? Should I be compensating for it being off(am I boosting higher than it shows)? If so how much? I am currently running 14-15 psi as shown on the gauge. I see 20hg/in at 750rpm idle, about 28hg/in deaccelerating in gear.

 

[oldman]

Don't want to thread jack, but since we're on the topic..... I have an Autometer Ultralight boost gauge that I put in 3 mos ago. When I installed it, it zeroed out fine. Now when my motor is off it reads 3-4 hg/in. Any ideas as to why? Can it be calibrated? Should I be compensating for it being off(am I boosting higher than it shows)? If so how much? I am currently running 14-15 psi as shown on the gauge. I see 20hg/in at 750rpm idle, about 28hg/in deaccelerating in gear.

3-4 Hg = about 2psi so just add 2psi to the gauge reading for actual boost level.