 What is this relay for? |
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| EJP914 |
 Oct 27 2019, 05:51 PM
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#1
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Member  Group: Members Posts: 260 Joined: 14-June 03 From: Monroeville, PA Member No.: 821  |
Have owned this car ('74 1.8) for many years, but never knew what this relay did. Is it only for starting purpose or does it do anything on how the car runs?
Thanks for the replies. Ed  |
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| JeffBowlsby |
Oct 27 2019, 06:21 PM
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#2
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914 Wiring Harnesses Group: Members Posts: 8,548 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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That's your 'dual relay'. Only found on L-Jet cars like your 74 1.8L. Its part of your fuel injection system. That thick red with black casing cable going to it supplies direct battery power to your FI system.
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| ClayPerrine |
Oct 28 2019, 06:50 AM
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#3
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Life's been good to me so far..... Group: Admin Posts: 15,537 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille
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(IMG:style_emoticons/default/agree.gif)
But the fact that I can only see one fuel line coming out of the engine shelf means you have carbs. So you don't really need that relay, unless someone wired it up to run the fuel pump. |
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| EJP914 |
Oct 28 2019, 02:27 PM
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#4
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Member Group: Members Posts: 260 Joined: 14-June 03 From: Monroeville, PA Member No.: 821 |
Thanks for the info. FI is long gone. Will check if wired to fuel pump, but I don't think so.
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| rgalla9146 |
Oct 28 2019, 04:19 PM
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#5
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Advanced Member Group: Members Posts: 4,570 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None
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QUOTE(ClayPerrine @ Oct 28 2019, 08:50 AM)  (IMG:style_emoticons/default/agree.gif) But the fact that I can only see one fuel line coming out of the engine shelf means you have carbs. So you don't really need that relay, unless someone wired it up to run the fuel pump. Goodness gracious ! Clay you and Jeff are awsome. Unbelievable depth of knowledge. |
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| brcacti |
Oct 28 2019, 05:26 PM
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#6
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1974 914 1.8 Group: Members Posts: 674 Joined: 17-July 19 From: PHX AZ 60 miles south Member No.: 23,302 Region Association: Southwest Region |
Thanks Clay and Jeff, I (brcacti) ALSO was wondering what that relay was for, I do have FI so its important for me.
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