need ignition + for heated o2 sensor
Junior Member
Joined: Aug 2017
Posts: 40
Likes: 2
From: Canada
Car: 1988 IROC-Z
Engine: 305
Transmission: 700R4
Axle/Gears: 2.73
Mount a relay connected to the positive battery terminal and switch it over using the Pink/Black wire from the ignition switch (12v Ignition).
Joined: Dec 2004
Posts: 16,811
Likes: 1,008
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: need ignition + for heated o2 sensor
You can tie into the fuel pump relay. The o2 only draws half a amp no need for a dedicated relay.
Joined: Sep 2005
Posts: 27,943
Likes: 2,459
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: need ignition + for heated o2 sensor
fuel pump relay
It is the CORRECT way. As opposed to, the "alternate ethnicity of your choice engineering" way.
Joined: Jun 2006
Posts: 1,700
Likes: 17
From: Southern California
Car: 1987 Camaro LT
Engine: LG4 w/ SLP headers & a 3" catback
Transmission: THM700R4 (Stock)
Axle/Gears: Stock 2.73 gears. No Posi
Joined: Jun 2006
Posts: 1,700
Likes: 17
From: Southern California
Car: 1987 Camaro LT
Engine: LG4 w/ SLP headers & a 3" catback
Transmission: THM700R4 (Stock)
Axle/Gears: Stock 2.73 gears. No Posi
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