Fuel tanking wiring - NEED HELP! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-08-2013, 09:43 PM   #11
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Originally Posted by Bonneville1999 View Post
OK, so based on your input, the 3 wires I don't have connected (cuz I don't know which wire goes to what) are for the tank pressure sensor. If I don't reconnect them, then what happens? Will the car not run?
If the connector is for the fuel tank presssure sensor... if...a 98 is the same as a 97 leSabre...,
my FSM for a 98 shows the wires as Dk GRN, GRY and BLK on both sides of Connector 420.

I haven't been able to find a diagram showing the location of C420, but I'll keep reading.
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