No Power injection light when I hit low boost levels...?

[GNguy]

Well, I installed all the warning lights in julios kit and when I hit the prime button it stumbles and everything but when I am in boost none of the lights turn on. Some other members told me it can be the wires going to the MAP sensor and I have to replace the harness..... please let me know because some high powered cars are coming for me this weekend!!! :biggrin: :biggrin:

 

[pacecarta]

whats low boost?
the settings as you got them should turn the pump on at about 4-6 PSI
if youve gone to 10 psi and still not seen the pump light is/was your car a digital dash ?
, they dont have the led boost gauge and tach unit which is the unit that provides the 5V for the Map sender .
if you have digital you have the connector for the MAP on the engine harness but it has no power .
digital dash or not you should check the MAP at the connector for proper wiring
wire at pin B is the map output which is the green wire you were supposed to have installed with the kit by splicing (and soldering) into the wire at pin B and running it to the pcm controller green wire .
if thats good and it doesnt work then check the other pins

MAP sensor has three connections labeled A, B and C on the connector
A ground
B MAP signal out (should be aprox 1.75v or so key on)
C 5V in (key in on position)



if you find no power at pin C at the MAP you'll need to run a wire from there to the TPS 5v supply wire (pin A at TPS )
check the ground at the MAP as well pin A, if no good connect from MAP pin A to TPS pin C

 

[GNguy]

I have it connected to he green wire, and theres voltage to it. I have it tapped in, not soldered. If I move it over to the TPS connector should it be fine? I will tap it in and see.

 

[Razor]

With Ignition "ON" the green wire will read 1.6 volts DC.

Need a voltmeter to verify this... radio shack, Home Depot, WalMart, etc.. by a cheap digital one and a new battery

Without a voltmeter... somethings are IMPOSSIBLE to do