 Relays -Are they all the same? |
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| surfdogskier |
 May 31 2016, 07:07 PM
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#1
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Member  Group: Members Posts: 164 Joined: 20-May 16 From: East TN Member No.: 20,019 Region Association: None  |
Hey guys,
Still trying to figure this 914 out. It turns over but will not start. I noticed a couple of fuses missing and 2 relays. I got fuses on the way. When I got to Pelican Parts, all I see is 5 pin relays. Not for specific things. Do these all work the same? I also have a lot of lines not connected to their specific locations. Got to put those back. Thanks, Jason |
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| SirAndy |
May 31 2016, 07:34 PM
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#2
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Resident German Group: Admin Posts: 41,625 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
The round 5 prong relays are all the same, including the ones for the headlight motors.
(IMG:style_emoticons/default/smile.gif) |
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| surfdogskier |
May 31 2016, 07:53 PM
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#3
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Member Group: Members Posts: 164 Joined: 20-May 16 From: East TN Member No.: 20,019 Region Association: None |
QUOTE(SirAndy @ May 31 2016, 09:34 PM)  The round 5 prong relays are all the same, including the ones for the headlight motors. (IMG:style_emoticons/default/smile.gif) Thanks! Time to order a few. |
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| 914Sixer |
May 31 2016, 08:21 PM
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#4
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914 Guru Group: Members Posts: 8,876 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region 
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Put a WTB and pick up some used ones. They rarely good bad unless they went for a swim. No need to pay stupid prices for new ones. Most sell for about $5 each used
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| surfdogskier |
May 31 2016, 09:45 PM
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#5
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Member Group: Members Posts: 164 Joined: 20-May 16 From: East TN Member No.: 20,019 Region Association: None |
QUOTE(914Sixer @ May 31 2016, 10:21 PM) Put a WTB and pick up some used ones. They rarely good bad unless they went for a swim. No need to pay stupid prices for new ones. Most sell for about $5 each used Is there a way to test if one is bad? I found a couple in the floor board under the passenger seat. One was crushed. I assume they were bad. |
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| Dave_Darling |
May 31 2016, 10:21 PM
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#6
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914 Idiot Group: Members Posts: 14,982 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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There are some (from other cars) that are different colors; I believe they denote different current capacities. The wiring and how they work is all the same.
Checking the relay: Check for continuity between pin 30 and pin 87a. Should be there. Check for continuity between 30 and 87. Should not be any. Put 12V on 85, ground 86. Check for continuity between 30 and 87. Should be there. Should not be any between 30 and 87a. --DD |
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| Wyvern |
May 31 2016, 11:09 PM
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#7
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Member Group: Members Posts: 324 Joined: 7-October 15 From: San Francisco (East Bay) Member No.: 19,245 Region Association: Northern California |
I got a tip here about checking the relays using the headlight.
It is a quick yes / no test. If you are missing the 2 fuses in the engine bay relay board (or at least the one that powers the fuel pump)...it will not start. I replaced both of those with correct amp circuit breakers. |
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| 914Mike |
 Jun 1 2016, 12:21 AM
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#8
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Member Group: Members Posts: 330 Joined: 27-January 03 From: San Jose, CA Member No.: 198 |
The continuity between pin 30 and 87A is only used by the headlight motors as a brake. This is a good way to test the relay: Headlight goes up: good coil, good contact between 30 and 87. Headlight stops where it should and does not just keep going up and down: Good contact between 30 and 87A. In a pinch you can swap one from the relay board into a headlight socket if the light won't stop. |
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