CB RADIO MODS
THINGS TO REMEMBER
- THIS INFORMATION IS FOR EDUCATIONAL PURPOSES ONLY
- BE CAREFUL WITH YOUR SCREWDRIVE AND SOLDERING IRON
- IT IS AGAINST FCC RULES TO MODIFY A TRANSMITTER
| Cobra Mods |
|---|
| Radio | Modulation | Power | |
| 7 PLUS | VR4 or CUT D8 | L11,L12,L13 | |
| 10 PLUS | VR4 or CUT D8 | L11,L12,L13 | |
| 18 LTD | CUT D13 or CUT R84 | L7,L6,L5 | |
| 18 PLUS | CUT D12 | L7 | |
| 18 RV | RV501 or CUT D502 | L304,L305,L306 | |
| 19 | CUT D11 | L5,L8,L9 | |
| 19 GTL | VR6 or CUT D9 | L15,L16,L17 | |
| 19 LTD | VR6 or CUT D9 | L15,L16,L17 | |
| 19 LTD CLASSIC | VR4 or CUT D7 | L7,L8 | |
| 19 M | REMOVE C73 | L8,L5,L3 | |
| 19 PLUS | RV501 or CUT C511 | L305,L306 | |
| 19 PLUS (Plastic Case) | RV4 or CUT D8 | L11,L12,L13 | |
| 19 XS | CUT D105 |
| |
| 20 B&K | CUT CD20 & CD21 | T11,T10,C60 | |
| 20 LTD | CUT D13 |
| |
| 20 PLUS | RV501 or CUT C511 | L305,L306 | |
| 20 PLUS (Plastic Case) | RV4 or CUT D8 | L11,L12,L13 | |
| 21 | REMOVE C105 & C106 | T11,T10,C60 | |
| 21 A (Old) | CUT D24 | L9,L8 | |
| 21 GTL | VR5 or CUT D9 | L13,L10,L9,L8 | |
| 21 LTD | VR5 or CUT D9 | L13,L10,L9,L8 | |
| 21 LTD CLASSIC | VR4 or CUT D7 | L7,L8 | |
| 21 PLUS | CUT 1.5K res. next to TR34 | L12,L10 | |
| 21 X | VR207 or CUT D212 | L212,L214 | |
| 21 XLR | RT4 or CUT D13 | L15,L12,L11 | |
| 23 PLUS | RV501 or CUT D502 | L304,L306,L307 | |
| 25 GTL | VR5 or CUT D9 | L13,L10,L9,L8 | |
| 25 LTD | VR5 or CUT D9 | L13,L10,L9,L8 | |
| 25 LTD CLASSIC | VR5 or CUTD9 | L10,L9,L8 | |
| 25 PLUS | CUT 1.5K res. next to TR34 | L12,L10 | |
| 26 | CUT D24 | L7,L8 | |
| 28 A | CUT CD28 & CD29 | T12,L2,L5 | |
| 29 A (OLD) | CUT D24 | L7,L8 | |
| 29 XLR | VR5 or CUT D14 | L15,L12,L11 | |
| 29 GTL | VR4 or CUT D11 | L14,L13,L12 | |
| 29 LTD | VR4 or CUT D11 | L14,L13,L12 | |
| 29 LTD CLASSIC | VR4 or CUT D11 | L14,L13,L12 | |
| 29 LTD GOLD | VR4 or CUT D11 | L14,L13,L12 | |
| 29 PLUS | CUT D20 | L12 | |
| 31 PLUS | CUT D19 | L13,L12,L11 | |
| 32 XLR | CUT CD11 & CD12 | L5,L3 | |
| 33 PLUS | VR4 or CUT D17 | L11, L9 | |
| 39 LTD (S.O.S.) | RV1 |
| |
| 40 PLUS | RV104 or CUT D203 | L305,L306 | |
| 40 XR | V201 or CUT D203 or C215 | L304,L305,L306 | |
| 41 PLUS | VR4 or CUT D21 | L19,L20,L21 | |
| 45 XLR | VR105 or CUT D119 | L113,L109 | |
| 46 XLR | VR105 or CUT D119 | L113,L109 | |
| 47 XLR | VR105 or CUT D119 | L113,L109 | |
| 50 XLR | VR5 or CUT D119 | L109 | |
| 55 XLR | VR5 or CUT D119 | L109 | |
| 62 XLR | VR3 or REMOVE C67 | L16,L15,L12 | |
| 63 GTL | VR3 or CUT D11 | L11,L10,L9 | |
| 66 GTL | VR2 or CUT D4 | L14,L15,L17 | |
| 66 LTD | CUT R54 |
| |
| 67 LTD | RV4 or CUT D212 | L306,L307,L308 | |
| 77 X | VR207 or CUT D212 | L211,L212,L214 | |
| 78 X | VR6 or CUT D9 | L11,L12,L15 | |
| 85 | REMOVE Q17 | L3,T4 | |
| 86 XLR | CUT CD9 | L3 | |
| CAM 89 | ADD 1K res. in series with C110 | L13,L12,L9 | |
| 87 GTL | VR6 or CUT D16 | L17,L16,L13 | |
| 89 GTL | VR6 or CUT D16 | L17,L16,L13 | |
| 89 XLR | VR5 or CUT D14 | L15,L12,L11 | |
| 90 LTD | VR201 or CUT D203 |
| |
| 132 (OLD) | CUT Q25 | T14,T15,L3,C116,(ssb) R136 | |
| 132 A | CUT CD39 & CD40 | R79 (ssb) R87 | |
| 132 XLR | R134 or CUT R125 | L3,(ssb)R130 | |
| 134 | CUT D40 & D41 | L8,L10 (ssb)VR15 | |
| 135 (OLD) | CUT Q25 | T14,T15,L3,C116 (ssb) R136 | |
| 135 XLR | R134 or CUT R125 | L3,(ssb) R130 | |
| 138 A (OLD) | CUT D40 & D41 | L8,L10 (ssb) VR15 | |
| 138 XLR | VR7 or VR6 | VR8, (ssb)CT7 | |
| 139 | VR12 or CUT D63 | L12,L10, (ssb)VR15 | |
| 139 XLR | VR7 &VR6 | VR8, (ssb)CT7 | |
| 140 GTL | CUT R104 | VR6, (ssb)VR7 | |
| 142 GTL | CUT R104 | VR6, (ssb)VR7 | |
| 146 GTL | VR5 or CUT TR29 | VR10, (ssb)VR6 | |
| 148 GTL | CUT R131 | VR10, (ssb)VR11 | |
| 148 GTL-DX(early prod.model) | VR5 | VR11, (ssb)VR7 | |
| 148 GTL-DX(late prod. model) | REMOVE VR14 or CUT TR32 | VR13, (ssb)VR12 | |
| 148 GTL-B | VR14 | RV15, (ssb)RV13 | |
| 148 GTL-DX (copy ver.) | RV12 | RV11, (ssb)RV6,RV3 | |
| 150 GTL | RV14 | RV13, (ssb)RV12,RV4 | |
| 1000 GTL | VR6 or CUT D16 | L17,L16,L13,(ssb) | |
| 2000 GTL | CUT R131 | VR10,(ssb) VR11 |
| Uniden Mods |
|---|
| Radio | Modulation | Power |
| PC 3 | Cut D13 | L7, L10 |
| PC 9 | Cut D11 |
|
| PC 22 | VR3 | L12,L14 |
| PC 33 | Cut D13 | L11,L12,L15 |
| PC 33 X | Cut D14 | L4,L5,L6 |
| PC 43 | Cut D12 | L8,L9,L12 |
| PC 55 | Cut D13 | L11,L12,L15 |
| PC 55 X | Cut D14 | L4,L5,L6 |
| PC 66 | VR5 | L8,L9,L10,L13 |
| PC 76 XL | Cut D11 | L17,L20,L21,L16 (some models L14) |
| PC 76 XLW |
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| PC 77 | Cut D15 | L13,L16,L17 |
| PC 122 | VR5 | VR10,(ssb)VR11 |
| PC 244 | VR5 | VR10,(ssb)VR6 |
| PRO 500 D | Cut D14 | L5,L6 |
| PRO 510 E | Cut D14 | L4,L5,L6 |
| PRO 510 XL | Cut D14 | L5,L6 |
| PRO 520 E | Cut D14 | L4,L5,L6 |
| PRO 520 XL | Cut D14 | L5,L6 |
| PRO 530 E | Cut D14 | VR11 |
| PRO 540 E | Cut D22 | L10,L12 |
| PRO 640 E | VR5 | VR10,(ssb)VR6 |
| PRO 710 E | Cut D11 | L6,L7,L8 |
| PRO 810 E | VR5 | VR10,(ssb)VR6 |
| Dwight D | VR6 | L11, L12, L13 |
| Grant | Cut R131 | VR10, (ssb)VR11 |
| Grant XL | Cut R131 | VR10,(ssb)VR11 |
| Grant XL Export | VR14 | VR13,(ssb)VR12 |
| HR 2510 | VR114 | VR103, (ssb)VR104 |
| Jackson | TR41 | (ssb)TR37 |
| Madison | Cut R131 | VR10,(ssb)VR11 |
| McKinley | TR32 | VR6,(ssb)VR7 |
| Washington-8719 PLL | Cut R104 | VR6,(ssb)VR7 |
| Washington-858 PLL | D23 | VR8,(ssb)CT7 |
| Zachary T | VR6 | L11,L12,L13 |
| Galaxy Mods |
|---|
| Radio | Modulation | Power | FM |
| DX 33HML | Cut R249 | VR 13 |
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| DX 44V | Cut R249 | VR 13 |
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| DX 55V | Cut TR53 | VR13 |
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| DX 66V | Cut TR53 | VR13 |
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| DX 73V | Cut TR53 | VR13 |
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| DX 77HML | Cut TR53 | VR13 hi/VR16 low,(ssb)VR12 |
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| DX 88HL | Cut R249 | VR 13,(ssb)VR 12 |
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| DX 99V | Cut TR53 | VR13 hi/VR16 low,(ssb)VR12 |
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| DX 22B |
|
VR13 hi VR15 low,(ssb)VR16 |
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| DX 949 | VR16 | VR18 low VR14 hi,(ssb)VR17 |
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| DX 959 | VR16 | VR18 low VR14 hi,(ssb)VR17 |
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| 2100 | Cut R249 | VR 13,(ssb)VR 14 |
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| DX 2517 | VR16 | VR18 low VR14 hi,(ssb)VR17 |
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| DX 2527 | VR14 | VR13 hi VR15 low,(ssb)VR16 |
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| Plus | Cut R249 | VR 13,(ssb)VR 12 |
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| Pluto | Cut R249 | VR 13,(ssb)VR 12 |
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| II | Cut R249 | VR 13,(ssb)VR 12 |
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| Mirage 44 | Cut R249 | VR 13,(ssb)VR 12 |
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| Mirage 66 | Cut R249 | VR 13,(ssb)VR 12 |
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| Mirage 88 | Cut R249 | VR 13,(ssb)VR 12 |
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| Mirage 9900 |
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| Sirius | Cut R124 | l18,l21,l25 |
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| Super | Cut R249 | VR 13,(ssb)VR 12 |
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| TURBO |
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| Ranger Mods |
|---|
| Radio | Modulation | Power |
| RCI-2900 | VR14 | VRI3,(ssb)VR12 |
| RCI-2950 | Q32 | VR13,(ssb)VR12 |
| RCI-2970 | VR14 | VR13 high,VR16 low, (ssb)VR12 |
| RCI-2980 | VR14 | VR13 high,VR16 low, (ssb)VR12 |
| RCI-2990 | VR14 | VR13 high,VR16 low, (ssb)VR12 |
| SuperStar Mods |
|---|
| Radio | Modulation | Power | |
| 95 | Remove C99 | L15,L16 | |
| 120 | Remove C65 | L11,L16,L17,L18 | |
| 260 FM | Cut R301 | VR13,(ssb)VR12 | |
| 360 | Cut R104 | VR6,(ssb)VR7 | |
| 1700 | Cut R249 | VR13,(ssb)VR12 | |
| 1700 B | RemoveC99 | L15,L16 | |
| 1700 S | Remove C99 | L15,L16 | |
| 2000 | RV12 | RV11,(ssb)RV6,RV3 | |
| 2200 | RV12 | RV11,(ssb)RV6,RV3 | |
| 3600 | Cut R249 | VR13,(ssb)VR12 | |
| 3900 | CutR249 | VR13,(ssb)VR12 | |
| 3900 G |
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| 3900 T |
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| 3000 D |
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| 3000 HP |
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| Realistic Mods |
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| Radio | Modulatin | Power | |
| TRC-10A |
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| TRC-23B |
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| TRC-23C |
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| TRC-24B |
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| TRC-24C |
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| TRC-29 |
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| TRC-30 |
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| TRC-30A |
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| TRC-35C |
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| TRC-46 | R316 | R212,(ssb)R213 | |
| TRC-47 |
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| TRC-48 |
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| TRC-49 |
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| TRC-50 B |
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| TRC-52 | D12 |
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| TRC-55 |
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| TRC-56 |
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| TRC-57 |
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| TRC-61 |
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| TRC-67 | D7 |
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| TRC-68 | D7 |
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| TRC-180 |
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| TRC-190 |
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| TRC-200 |
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| TRC-204 |
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| TRC-205 |
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| TRC-206 |
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| TRC-208 |
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| TRC-209 |
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| TRC-210 |
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| TRC-211 |
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| TRC-212 |
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| TRC-214 |
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| TRC-215 |
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| TRC-216 |
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| TRC-217 |
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| TRC-218 |
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| TRC-410 | Q12 |
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| TRC-411 |
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| TRC-412 |
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| TRC-413 | R85 |
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| TRC-414 | Q10 |
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| TRC-415 | R64 |
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| TRC-416 |
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| TRC-417 | D10 |
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| TRC-418 | D10 |
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| TRC-419 | D205 |
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| TRC-420 |
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| TRC-420-1B |
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| TRC-420A |
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| TRC-421 | D16 |
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| TRC-421A
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| TRC-422 | Q11 |
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| TRC-422A | R84 |
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| TRC-423 | Q207 |
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| TRC-424 | D509 |
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| TRC-425 | D508 |
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| TRC-426 | D507 |
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| TRC-427 | C78 |
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| TRC-428 | R90 |
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| TRC-429 |
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| TRC-430 | Q30 |
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| TRC-431 | D506 |
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| TRC-432 | Q12 |
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| TRC-433 | Q15 |
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| TRC-434 | Q12 |
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| TRC-435 | D24 |
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| TRC-438 | Q404 |
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| TRC-440 | D107 |
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| TRC-441 |
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| TRC-443 | D451 |
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| TRC-444 | D451 |
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| TRC-446 |
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| TRC-448 | VR5 | (ssb)VR204 | |
| TRC-449 | VR7 | (ssb)CT7 | |
| TRC-450 | Cut D42 or TR32 | VR6,(ssb)VR7 | |
| TRC-451 | VR5 or TR27 | VR10,(ssb)VR6 | |
| TRC-452 | VR207 | L211, L212,L214 | |
| TRC-453 | VR5 | VR10,(ssb)VR6 | |
| TRC-454 | VR702B | L903, L907, L908 | |
| TRC-455 | R504 | L403, L404, C430 | |
| TRC-456 | VR8 | L903, L905 | |
| TRC-457 | VR6, VR7 | VR8,(ssb)CT7 | |
| TRC-458 | VR6, VR7 | VR8,(ssb)CT7 | |
| TRC-459 | VR13 | VR14,(ssb)VR4,VR5 | |
| TRC-461 | VR2 | VR5 | |
| TRC-462 | D17 | VR2,(ssb)VR3 | |
| TRC-464 | D10 |
| |
| TRC-465 | VR5,VR6 | VR10 or Q2 | |
| TRC-466 | Cut D110 | L104, L106 | |
| TRC-467 | Cut D110 | L104, L106 | |
| TRC-468 | Cut D16 | T14, T15 | |
| TRC-469 | VR5 | L11, L13 | |
| TRC-470 | VR10 | L901,L903,L905 | |
| TRC-471 | VR2 | L1, L3, L4 | |
| TRC-472 | VR204 | L210, L212 | |
| TRC-473 | VR3 | T11, T13, T14 | |
| TRC-473 new | VR4 | L6, L8, L11 | |
| TRC-474 | VR4 | L6, L8 | |
| TRC-474 new | VR4 | L11, L12 | |
| TRC-476 | D208 |
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| TRC-477 | Cut R216 | L10,L11,L12,L13 | |
| TRC-479 | R56 |
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| TRC-480 | VR13 | VR14,(ssb)VR4,VR5 | |
| TRC-481 | R67 |
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| TRC-482 | D208 |
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| TRC-483 | R57 |
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| TRC-484 | Q29 | VR10 | |
| TRC-485 | RV5,RV6 | RV10 | |
| TRC-490 | Cut R104 | VR6,(ssb)VR7 | |
| TRC-492 | D11 |
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| TRC-493 | R62 |
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| TRC-495 | R99 |
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| TRC-501 | C421 |
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