tcufrogz76 Posted February 6, 2007 Share Posted February 6, 2007 I just got my hands on a used GReddy peak-hold boost gauge and despite scouring the 'net, I cant find any info on getting it wired up! Ive got a red, black, orange and white wire.. I would guess red (12v), black (ground), orange(illum)... but I wanna make sure.. I have no clue what the white wires about.. can anyone help me? Quote Link to comment Share on other sites More sharing options...
MrFancypants Posted February 6, 2007 Share Posted February 6, 2007 Normally white is for the signal. Sounds like you didnt get the sender. - Greg - Quote Link to comment Share on other sites More sharing options...
tcufrogz76 Posted February 6, 2007 Author Share Posted February 6, 2007 Ive got the sender...these wires are coming from the sender. Its kinda a 3 piece affair, the little black box that senses boost, the sending unit thingy (nice technical jargon there) and finally the gauge.. Quote Link to comment Share on other sites More sharing options...
MrFancypants Posted February 7, 2007 Share Posted February 7, 2007 Should be: Red/Black to +12V/ground Orange to Illum White to sender Senders normally ground through the chassis. - Greg - Quote Link to comment Share on other sites More sharing options...
tcufrogz76 Posted February 7, 2007 Author Share Posted February 7, 2007 Yeah, thanks Greg.. but these wires actually power the sending unit, thats why it was driving me nuts! I found a really good Supra website that had all kinds of GReddy-HKS etc manuals scanned and luckily they had my gauge..ultimately it was this... Red -12V (duh) Black -Ground (duh x 2) Orange -12 Volts Switched White - Night Illumination I would have guessed orange as illumination.. shows what I know. Thats the thing about buying anything used without the manuals, its gonna be a pain in the butt to get it going. I appreciate your input Greg--take care Quote Link to comment Share on other sites More sharing options...
MrFancypants Posted February 8, 2007 Share Posted February 8, 2007 No probs, man... Leave it to Greedy to use a whacky wiring scheme Glad you got it figured out! - Greg - Quote Link to comment Share on other sites More sharing options...
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