Re: Relay on Front of the Relay Block Above the LH Computer - Saab 900 Bulletin Board - Saabnet.com
The banner above is an advertisment - if it asks you to download software, please ignore.
Site News -
7/1: Members: Log In to See Fewer Ads! |
5/28: SAAB Evolutions/TSN T-Shirts $14
[General |
Members |
C900 |
9000 |
NG900 & OG93 |
93 |
95 |
NG95 |
99 |
Sonett |
Vintage Models |
Clubs |
Other Cars |
FAQs |
Gifts |
Member Photo Galleries |
Member Directory |
Classifieds |
Manuals |
*Buddy Registry |
*Mileage Registry |
Polls |
What's New |
Raffle |
Photo of the Month |
Sponsors]
Hello,
I believe you are describing the LH "main relay" and the fuel pump relay. The main relay powers up the LH control unit and the fuel pump relay. The LH control unit supplies the ground to the fuel pump relay and then the fuel pump gets powered. I don't have a wiring diagram with me. But can't remember were exactly the overboost sensor connects into the fuel pump relay. But overboost sensor can shut power off to the fuel pump as well. It is run through 2 single wire connectors that connect there as well. It is either on the way to the fuel pump or it interupts the signal on the way to the relay. If I get to a wiring diagram I can explain it better. But you can try connecting the overboost sensor wires to take it out of the equation. I can't remember if they use the same relay but the main relay is a double pull relay so it powers both 87 and 87a when it is powered. I think it is a 30 Amp relay. For the fuel pump relay it may be a double pull but is only using the one. So you might be able to find a 4 pin relay that will work for it such as the horn relay. Good Luck, Bernie
_______________________________________
George Riggin Specialty Automotive
Current Saabs
1993 900 Turbo Conv.
1993 900 Turbo Conv. Auto
2003 9-3 Conv
2004 9-5 Arc Sedan
2005 9-3 SS 4 door
2005 9-3 SS Conv
2007 9-5 Aero Sedan
1986 900 Turbo Conv
A few parts cars also
Posts in this Thread:
- Relay on Front of the Relay Block Above the LH Computer, SaabAficionado
, Tue, 26 Oct 2021 17:30:07- Re: Relay on Front of the Relay Block Above the LH Computer, Bernie
, Tue, 26 Oct 2021 17:57:44 <-- Viewing This Message- Re: Relay on Front of the Relay Block Above the LH Computer, Cmyles
, Thu, 28 Oct 2021 06:23:33- Re: Relay on Front of the Relay Block Above the LH Computer, SaabAficionado
, Sat, 27 Nov 2021 13:50:49 - Re: Relay on Front of the Relay Block Above the LH Computer, SaabAficionado
, Wed, 24 Nov 2021 17:54:48 - Re: Relay on Front of the Relay Block Above the LH Computer, SaabAficionado
, Mon, 1 Nov 2021 17:11:13 - Re: Relay on Front of the Relay Block Above the LH Computer, SaabAficionado
, Mon, 1 Nov 2021 08:55:22
Members do not see ads below this line. - Help Keep This Site Online - Signup
Post a Followup
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.
StateOfNine.com
![](/tsn/xyz/stateofninebutton.gif) |
SaabClub.com
![](/tsn/xyz/scnabutton.gif) |
Jak Stoll Performance
![](/tsn/xyz/jakstollbutton.gif) |
M Car Covers
![](/tsn/xyz/mcarcoversbutton.gif) |
Ad Available
![](/tsn/xyz/buttonavailable.gif) |
![](/tsn/images/tsnmap.gif)
Random Saabnet.com Member Gallery Photos (Click Image)
This is a moderated bulletin board - Posting is a privilege, not a right.
Unsolicited commercial postings are not allowed (no spam). Please, no For Sale or Wanted postings, SERIOUSLY.
Classifieds are to be listed in The Saab Network Classifieds pages.
This is a problem solving forum for over 250,000 Saab owners, so expect to see
problems discussed here even though our cars are generally very reliable. This is not an anything goes
type of forum. Saabnet.com has been a moderated forum since 1988. For usage guidelines, see the
Saabnet.com Mission and Purpose Page. Please remember that you are
not anonymous. Site Contact | Site Donations | Other Sites by SP -
Poverty2Prosperity.org | Run Club Menlo Park | ScreenBot
Site Members do not see red text instructions, bottom of the page anchor ads, or box ads.
Click here to see all
the Site Membership Benefits!